diff --git a/src/components/call-desk/call-log.tsx b/src/components/call-desk/call-log.tsx
new file mode 100644
index 0000000..2243c6d
--- /dev/null
+++ b/src/components/call-desk/call-log.tsx
@@ -0,0 +1,77 @@
+import { Badge } from '@/components/base/badges/badges';
+import { Button } from '@/components/base/buttons/button';
+import { ArrowRight } from '@untitledui/icons';
+import { formatShortDate } from '@/lib/format';
+import type { Call, CallDisposition } from '@/types/entities';
+
+interface CallLogProps {
+    calls: Call[];
+}
+
+const dispositionConfig: Record<CallDisposition, { label: string; color: 'success' | 'brand' | 'blue-light' | 'warning' | 'gray' | 'error' }> = {
+    APPOINTMENT_BOOKED: { label: 'Booked', color: 'success' },
+    FOLLOW_UP_SCHEDULED: { label: 'Follow-up', color: 'brand' },
+    INFO_PROVIDED: { label: 'Info', color: 'blue-light' },
+    NO_ANSWER: { label: 'No Answer', color: 'warning' },
+    WRONG_NUMBER: { label: 'Wrong #', color: 'gray' },
+    CALLBACK_REQUESTED: { label: 'Not Interested', color: 'error' },
+};
+
+const formatDuration = (seconds: number | null): string => {
+    if (seconds === null || seconds === 0) return '0 min';
+    const minutes = Math.round(seconds / 60);
+    return `${minutes} min`;
+};
+
+export const CallLog = ({ calls }: CallLogProps) => {
+    return (
+        <div className="rounded-2xl border border-secondary bg-primary">
+            <div className="flex items-center justify-between border-b border-secondary px-5 py-4">
+                <div className="flex items-center gap-2">
+                    <span className="text-sm font-bold text-primary">Today's Calls</span>
+                    <Badge size="sm" color="gray">{calls.length}</Badge>
+                </div>
+            </div>
+
+            {calls.length > 0 ? (
+                <div className="divide-y divide-secondary">
+                    {calls.map((call) => {
+                        const config = call.disposition !== null
+                            ? dispositionConfig[call.disposition]
+                            : null;
+
+                        return (
+                            <div
+                                key={call.id}
+                                className="flex items-center gap-3 px-5 py-3"
+                            >
+                                <span className="w-20 shrink-0 text-xs text-quaternary">
+                                    {call.startedAt !== null ? formatShortDate(call.startedAt) : '—'}
+                                </span>
+                                <span className="min-w-0 flex-1 truncate text-sm font-medium text-primary">
+                                    {call.leadName ?? call.callerNumber?.[0]?.number ?? 'Unknown'}
+                                </span>
+                                {config !== null && (
+                                    <Badge size="sm" color={config.color}>{config.label}</Badge>
+                                )}
+                                <span className="w-12 shrink-0 text-right text-xs text-quaternary">
+                                    {formatDuration(call.durationSeconds)}
+                                </span>
+                            </div>
+                        );
+                    })}
+                </div>
+            ) : (
+                <div className="flex items-center justify-center py-8">
+                    <p className="text-sm text-quaternary">No calls handled today</p>
+                </div>
+            )}
+
+            <div className="border-t border-secondary px-5 py-3">
+                <Button href="/call-history" color="link-color" size="sm" iconTrailing={ArrowRight}>
+                    View Full History
+                </Button>
+            </div>
+        </div>
+    );
+};
diff --git a/src/components/call-desk/call-simulator.tsx b/src/components/call-desk/call-simulator.tsx
new file mode 100644
index 0000000..4569a59
--- /dev/null
+++ b/src/components/call-desk/call-simulator.tsx
@@ -0,0 +1,26 @@
+import { PhoneCall01 } from '@untitledui/icons';
+import { cx } from '@/utils/cx';
+
+interface CallSimulatorProps {
+    onSimulate: () => void;
+    isCallActive: boolean;
+}
+
+export const CallSimulator = ({ onSimulate, isCallActive }: CallSimulatorProps) => {
+    return (
+        <button
+            type="button"
+            onClick={onSimulate}
+            disabled={isCallActive}
+            className={cx(
+                'inline-flex w-full items-center justify-center gap-2 rounded-xl px-6 py-3 text-sm font-semibold text-white transition duration-100 ease-linear sm:w-auto',
+                isCallActive
+                    ? 'cursor-not-allowed bg-disabled text-disabled'
+                    : 'cursor-pointer bg-brand-solid hover:bg-brand-solid_hover [&:hover_svg]:animate-[ring-shake_0.5s_ease-in-out]',
+            )}
+        >
+            <PhoneCall01 className="size-5 shrink-0" />
+            {isCallActive ? 'Call in progress...' : 'Simulate Incoming Call'}
+        </button>
+    );
+};
diff --git a/src/components/call-desk/daily-stats.tsx b/src/components/call-desk/daily-stats.tsx
new file mode 100644
index 0000000..7a57dbe
--- /dev/null
+++ b/src/components/call-desk/daily-stats.tsx
@@ -0,0 +1,43 @@
+import type { Call } from '@/types/entities';
+
+interface DailyStatsProps {
+    calls: Call[];
+}
+
+const formatAvgDuration = (calls: Call[]): string => {
+    if (calls.length === 0) return '0.0 min';
+    const totalSeconds = calls.reduce((sum, c) => sum + (c.durationSeconds ?? 0), 0);
+    const avgMinutes = totalSeconds / calls.length / 60;
+    return `${avgMinutes.toFixed(1)} min`;
+};
+
+export const DailyStats = ({ calls }: DailyStatsProps) => {
+    const callsHandled = calls.length;
+    const appointmentsBooked = calls.filter((c) => c.disposition === 'APPOINTMENT_BOOKED').length;
+    const followUps = calls.filter((c) => c.disposition === 'FOLLOW_UP_SCHEDULED').length;
+    const avgDuration = formatAvgDuration(calls);
+
+    const stats = [
+        { label: 'Calls Handled', value: String(callsHandled) },
+        { label: 'Appointments Booked', value: String(appointmentsBooked) },
+        { label: 'Follow-ups', value: String(followUps) },
+        { label: 'Avg Duration', value: avgDuration },
+    ];
+
+    return (
+        <div className="flex flex-col gap-3">
+            <h3 className="text-sm font-bold text-primary">Daily Stats</h3>
+            {stats.map((stat) => (
+                <div
+                    key={stat.label}
+                    className="rounded-xl bg-secondary p-4 text-center"
+                >
+                    <div className="text-display-xs font-bold text-primary">{stat.value}</div>
+                    <div className="mt-1 text-xs uppercase tracking-wider text-tertiary">
+                        {stat.label}
+                    </div>
+                </div>
+            ))}
+        </div>
+    );
+};
diff --git a/src/components/call-desk/disposition-form.tsx b/src/components/call-desk/disposition-form.tsx
new file mode 100644
index 0000000..b2c7b59
--- /dev/null
+++ b/src/components/call-desk/disposition-form.tsx
@@ -0,0 +1,111 @@
+import { useState } from 'react';
+import { TextArea } from '@/components/base/textarea/textarea';
+import type { CallDisposition } from '@/types/entities';
+import { cx } from '@/utils/cx';
+
+interface DispositionFormProps {
+    onSubmit: (disposition: CallDisposition, notes: string) => void;
+}
+
+const dispositionOptions: Array<{
+    value: CallDisposition;
+    label: string;
+    activeClass: string;
+    defaultClass: string;
+}> = [
+    {
+        value: 'APPOINTMENT_BOOKED',
+        label: 'Appointment Booked',
+        activeClass: 'bg-success-solid text-white ring-transparent',
+        defaultClass: 'bg-success-primary text-success-primary border-success',
+    },
+    {
+        value: 'FOLLOW_UP_SCHEDULED',
+        label: 'Follow-up Needed',
+        activeClass: 'bg-brand-solid text-white ring-transparent',
+        defaultClass: 'bg-brand-primary text-brand-secondary border-brand',
+    },
+    {
+        value: 'INFO_PROVIDED',
+        label: 'Info Provided',
+        activeClass: 'bg-utility-blue-light-600 text-white ring-transparent',
+        defaultClass: 'bg-utility-blue-light-50 text-utility-blue-light-700 border-utility-blue-light-200',
+    },
+    {
+        value: 'NO_ANSWER',
+        label: 'No Answer',
+        activeClass: 'bg-warning-solid text-white ring-transparent',
+        defaultClass: 'bg-warning-primary text-warning-primary border-warning',
+    },
+    {
+        value: 'WRONG_NUMBER',
+        label: 'Wrong Number',
+        activeClass: 'bg-secondary-solid text-white ring-transparent',
+        defaultClass: 'bg-secondary text-secondary border-secondary',
+    },
+    {
+        value: 'CALLBACK_REQUESTED',
+        label: 'Not Interested',
+        activeClass: 'bg-error-solid text-white ring-transparent',
+        defaultClass: 'bg-error-primary text-error-primary border-error',
+    },
+];
+
+export const DispositionForm = ({ onSubmit }: DispositionFormProps) => {
+    const [selected, setSelected] = useState<CallDisposition | null>(null);
+    const [notes, setNotes] = useState('');
+
+    const handleSubmit = () => {
+        if (selected === null) return;
+        onSubmit(selected, notes);
+    };
+
+    return (
+        <div className="flex flex-col gap-4">
+            <span className="text-sm font-bold text-primary">What happened?</span>
+
+            <div className="grid grid-cols-2 gap-2">
+                {dispositionOptions.map((option) => {
+                    const isSelected = selected === option.value;
+                    return (
+                        <button
+                            key={option.value}
+                            type="button"
+                            onClick={() => setSelected(option.value)}
+                            className={cx(
+                                'cursor-pointer rounded-xl border-2 p-3 text-xs font-semibold transition duration-100 ease-linear',
+                                isSelected
+                                    ? cx(option.activeClass, 'ring-2 ring-brand')
+                                    : option.defaultClass,
+                            )}
+                        >
+                            {option.label}
+                        </button>
+                    );
+                })}
+            </div>
+
+            <TextArea
+                label="Notes (optional)"
+                placeholder="Add any notes about this call..."
+                value={notes}
+                onChange={(value) => setNotes(value)}
+                rows={3}
+            />
+
+            <button
+                type="button"
+                onClick={handleSubmit}
+                disabled={selected === null}
+                className={cx(
+                    'w-full rounded-xl py-3 text-sm font-semibold transition duration-100 ease-linear',
+                    selected !== null
+                        ? 'cursor-pointer bg-brand-solid text-white hover:bg-brand-solid_hover'
+                        : 'cursor-not-allowed bg-disabled text-disabled',
+                )}
+            >
+                Save & Close Call
+            </button>
+        </div>
+    );
+};
diff --git a/src/components/call-desk/incoming-call-card.tsx b/src/components/call-desk/incoming-call-card.tsx
new file mode 100644
index 0000000..5e32474
--- /dev/null
+++ b/src/components/call-desk/incoming-call-card.tsx
@@ -0,0 +1,263 @@
+import { useMemo } from 'react';
+import { Phone01, PhoneIncoming01, CheckCircle, Mail01, Clock, Stars02 } from '@untitledui/icons';
+import { Avatar } from '@/components/base/avatar/avatar';
+import { Badge } from '@/components/base/badges/badges';
+import { SourceTag } from '@/components/shared/source-tag';
+import { AgeIndicator } from '@/components/shared/age-indicator';
+import { DispositionForm } from './disposition-form';
+import { formatPhone, formatShortDate, getInitials } from '@/lib/format';
+import type { Lead, LeadActivity, CallDisposition, Campaign } from '@/types/entities';
+
+type CallState = 'idle' | 'ringing' | 'active' | 'completed';
+
+interface IncomingCallCardProps {
+    callState: CallState;
+    lead: Lead | null;
+    activities: LeadActivity[];
+    campaigns: Campaign[];
+    onDisposition: (disposition: CallDisposition, notes: string) => void;
+    completedDisposition?: CallDisposition | null;
+}
+
+const activityTypeIcons: Record<string, string> = {
+    CALL_MADE: 'phone',
+    CALL_RECEIVED: 'phone',
+    WHATSAPP_SENT: 'message',
+    WHATSAPP_RECEIVED: 'message',
+    SMS_SENT: 'message',
+    EMAIL_SENT: 'email',
+    EMAIL_RECEIVED: 'email',
+    NOTE_ADDED: 'note',
+    ASSIGNED: 'assign',
+    STATUS_CHANGE: 'status',
+    APPOINTMENT_BOOKED: 'calendar',
+    FOLLOW_UP_CREATED: 'clock',
+    CONVERTED: 'check',
+    MARKED_SPAM: 'alert',
+    DUPLICATE_DETECTED: 'alert',
+};
+
+const ActivityIcon = ({ type }: { type: string }) => {
+    const iconType = activityTypeIcons[type] ?? 'note';
+    const baseClass = 'size-3.5 shrink-0 text-fg-quaternary';
+
+    if (iconType === 'phone') return <Phone01 className={baseClass} />;
+    if (iconType === 'email') return <Mail01 className={baseClass} />;
+    if (iconType === 'clock') return <Clock className={baseClass} />;
+    if (iconType === 'check') return <CheckCircle className={baseClass} />;
+    return <Clock className={baseClass} />;
+};
+
+const dispositionLabels: Record<CallDisposition, string> = {
+    APPOINTMENT_BOOKED: 'Appointment Booked',
+    FOLLOW_UP_SCHEDULED: 'Follow-up Needed',
+    INFO_PROVIDED: 'Info Provided',
+    NO_ANSWER: 'No Answer',
+    WRONG_NUMBER: 'Wrong Number',
+    CALLBACK_REQUESTED: 'Not Interested',
+};
+
+export const IncomingCallCard = ({ callState, lead, activities, campaigns, onDisposition, completedDisposition }: IncomingCallCardProps) => {
+    if (callState === 'idle') {
+        return <IdleState />;
+    }
+
+    if (callState === 'ringing') {
+        return <RingingState lead={lead} />;
+    }
+
+    if (callState === 'active' && lead !== null) {
+        return <ActiveState lead={lead} activities={activities} campaigns={campaigns} onDisposition={onDisposition} />;
+    }
+
+    if (callState === 'completed') {
+        return <CompletedState disposition={completedDisposition ?? null} />;
+    }
+
+    return null;
+};
+
+const IdleState = () => (
+    <div className="flex flex-col items-center justify-center rounded-2xl border border-secondary bg-secondary p-12 text-center">
+        <div className="mb-4 animate-pulse">
+            <Phone01 className="size-12 text-fg-quaternary" />
+        </div>
+        <p className="text-lg text-tertiary">Waiting for incoming call...</p>
+    </div>
+);
+
+const RingingState = ({ lead }: { lead: Lead | null }) => {
+    const phoneDisplay = lead?.contactPhone?.[0]
+        ? formatPhone(lead.contactPhone[0])
+        : '+91 98765 43210';
+
+    return (
+        <div className="flex flex-col items-center justify-center rounded-2xl bg-brand-primary p-12 text-center">
+            <div className="relative mb-4">
+                <div className="absolute inset-0 animate-ping rounded-full bg-brand-solid opacity-20" />
+                <div className="relative animate-bounce">
+                    <PhoneIncoming01 className="size-12 text-fg-brand-primary" />
+                </div>
+            </div>
+            <span className="mb-1 text-xs font-bold uppercase tracking-wider text-brand-secondary">
+                Incoming Call
+            </span>
+            <span className="text-display-xs font-bold text-primary">
+                {phoneDisplay}
+            </span>
+        </div>
+    );
+};
+
+const ActiveState = ({
+    lead,
+    activities,
+    campaigns,
+    onDisposition,
+}: {
+    lead: Lead;
+    activities: LeadActivity[];
+    campaigns: Campaign[];
+    onDisposition: (disposition: CallDisposition, notes: string) => void;
+}) => {
+    const leadActivities = useMemo(
+        () =>
+            activities
+                .filter((a) => a.leadId === lead.id)
+                .sort((a, b) => {
+                    const dateA = a.occurredAt ?? a.createdAt ?? '';
+                    const dateB = b.occurredAt ?? b.createdAt ?? '';
+                    return new Date(dateB).getTime() - new Date(dateA).getTime();
+                })
+                .slice(0, 3),
+        [activities, lead.id],
+    );
+
+    const campaignName = useMemo(() => {
+        if (lead.campaignId === null) return null;
+        const campaign = campaigns.find((c) => c.id === lead.campaignId);
+        return campaign?.campaignName ?? null;
+    }, [campaigns, lead.campaignId]);
+
+    const firstName = lead.contactName?.firstName ?? '';
+    const lastName = lead.contactName?.lastName ?? '';
+    const fullName = `${firstName} ${lastName}`.trim() || 'Unknown Lead';
+    const initials = firstName && lastName ? getInitials(firstName, lastName) : 'UL';
+    const phoneDisplay = lead.contactPhone?.[0]
+        ? formatPhone(lead.contactPhone[0])
+        : 'No phone';
+    const emailDisplay = lead.contactEmail?.[0]?.address ?? null;
+
+    return (
+        <div className="rounded-2xl border border-secondary bg-primary shadow-lg">
+            <div className="flex flex-col gap-6 p-6 lg:flex-row">
+                {/* Left section: lead details */}
+                <div className="min-w-0 flex-1">
+                    <div className="flex items-start gap-4">
+                        <Avatar size="xl" initials={initials} />
+                        <div className="min-w-0 flex-1">
+                            <h3 className="text-lg font-bold text-primary">{fullName}</h3>
+                            <div className="mt-1 flex items-center gap-1.5">
+                                <Phone01 className="size-3.5 shrink-0 text-fg-quaternary" />
+                                <span className="text-md text-secondary">{phoneDisplay}</span>
+                            </div>
+                            {emailDisplay !== null && (
+                                <div className="mt-0.5 flex items-center gap-1.5">
+                                    <Mail01 className="size-3.5 shrink-0 text-fg-quaternary" />
+                                    <span className="text-sm text-tertiary">{emailDisplay}</span>
+                                </div>
+                            )}
+                            <div className="mt-2 flex flex-wrap items-center gap-2">
+                                {lead.leadSource !== null && (
+                                    <SourceTag source={lead.leadSource} size="sm" />
+                                )}
+                                {campaignName !== null && (
+                                    <Badge size="sm" color="brand">{campaignName}</Badge>
+                                )}
+                            </div>
+                            {lead.interestedService !== null && (
+                                <p className="mt-1.5 text-sm text-secondary">
+                                    Interested in: {lead.interestedService}
+                                </p>
+                            )}
+                            {lead.createdAt !== null && (
+                                <div className="mt-1 flex items-center gap-1.5 text-sm text-tertiary">
+                                    <span>Lead age:</span>
+                                    <AgeIndicator dateStr={lead.createdAt} />
+                                </div>
+                            )}
+                        </div>
+                    </div>
+
+                    {/* AI Insight panel */}
+                    <div className="mt-4 rounded-xl bg-brand-primary p-4">
+                        <div className="mb-2 flex items-center gap-1.5">
+                            <Stars02 className="size-4 text-fg-brand-primary" />
+                            <span className="text-xs font-bold uppercase tracking-wider text-brand-secondary">
+                                AI Insight
+                            </span>
+                        </div>
+                        {lead.aiSummary !== null ? (
+                            <>
+                                <p className="text-sm text-primary">{lead.aiSummary}</p>
+                                {lead.aiSuggestedAction !== null && (
+                                    <span className="mt-2 inline-block rounded-lg bg-brand-solid px-3 py-1.5 text-xs font-semibold text-white">
+                                        {lead.aiSuggestedAction}
+                                    </span>
+                                )}
+                            </>
+                        ) : (
+                            <p className="text-sm text-quaternary">
+                                No AI insights available for this lead
+                            </p>
+                        )}
+                    </div>
+
+                    {/* Previous interactions */}
+                    <div className="mt-4">
+                        <h4 className="mb-2 text-sm font-bold text-primary">Recent Activity</h4>
+                        {leadActivities.length > 0 ? (
+                            <div className="flex flex-col gap-2">
+                                {leadActivities.map((activity) => (
+                                    <div key={activity.id} className="flex items-start gap-2">
+                                        <ActivityIcon type={activity.activityType ?? 'NOTE_ADDED'} />
+                                        <span className="flex-1 text-xs text-secondary">
+                                            {activity.summary}
+                                        </span>
+                                        <span className="shrink-0 text-xs text-quaternary">
+                                            {activity.occurredAt !== null
+                                                ? formatShortDate(activity.occurredAt)
+                                                : ''}
+                                        </span>
+                                    </div>
+                                ))}
+                            </div>
+                        ) : (
+                            <p className="text-xs text-quaternary">No previous interactions</p>
+                        )}
+                    </div>
+                </div>
+
+                {/* Right section: disposition form */}
+                <div className="w-full shrink-0 border-t border-secondary pt-4 lg:w-72 lg:border-l lg:border-t-0 lg:pl-6 lg:pt-0">
+                    <DispositionForm onSubmit={onDisposition} />
+                </div>
+            </div>
+        </div>
+    );
+};
+
+const CompletedState = ({ disposition }: { disposition: CallDisposition | null }) => {
+    const label = disposition !== null ? dispositionLabels[disposition] : 'Unknown';
+
+    return (
+        <div className="flex flex-col items-center justify-center rounded-2xl bg-success-primary p-8 text-center">
+            <CheckCircle className="mb-3 size-12 text-fg-success-primary" />
+            <h3 className="text-lg font-bold text-success-primary">Call Logged</h3>
+            {disposition !== null && (
+                <Badge size="md" color="success" className="mt-2">{label}</Badge>
+            )}
+            <p className="mt-2 text-sm text-tertiary">Returning to call desk...</p>
+        </div>
+    );
+};
diff --git a/src/pages/call-desk.tsx b/src/pages/call-desk.tsx
index 4745b08..803a3d1 100644
--- a/src/pages/call-desk.tsx
+++ b/src/pages/call-desk.tsx
@@ -1,14 +1,148 @@
+import { useState, useCallback, useRef } from 'react';
 import { TopBar } from '@/components/layout/top-bar';
+import { CallSimulator } from '@/components/call-desk/call-simulator';
+import { IncomingCallCard } from '@/components/call-desk/incoming-call-card';
+import { CallLog } from '@/components/call-desk/call-log';
+import { DailyStats } from '@/components/call-desk/daily-stats';
+import { useAuth } from '@/providers/auth-provider';
+import { useData } from '@/providers/data-provider';
+import { useLeads } from '@/hooks/use-leads';
+import type { Call, CallDisposition, LeadStatus } from '@/types/entities';
+
+type CallState = 'idle' | 'ringing' | 'active' | 'completed';
+
+const isToday = (dateStr: string): boolean => {
+    const d = new Date(dateStr);
+    const now = new Date();
+    return (
+        d.getFullYear() === now.getFullYear() &&
+        d.getMonth() === now.getMonth() &&
+        d.getDate() === now.getDate()
+    );
+};
+
+const dispositionToStatus: Partial<Record<CallDisposition, LeadStatus>> = {
+    APPOINTMENT_BOOKED: 'APPOINTMENT_SET',
+    FOLLOW_UP_SCHEDULED: 'CONTACTED',
+    INFO_PROVIDED: 'CONTACTED',
+    NO_ANSWER: 'NEW',
+    WRONG_NUMBER: 'LOST',
+    CALLBACK_REQUESTED: 'LOST',
+};
 
 export const CallDeskPage = () => {
+    const { user } = useAuth();
+    const { calls, leadActivities, campaigns, addCall } = useData();
+    const { leads, updateLead } = useLeads();
+
+    const [callState, setCallState] = useState<CallState>('idle');
+    const [activeLead, setActiveLead] = useState<ReturnType<typeof useLeads>['leads'][number] | null>(null);
+    const [completedDisposition, setCompletedDisposition] = useState<CallDisposition | null>(null);
+    const callStartRef = useRef<Date | null>(null);
+    const ringingTimerRef = useRef<ReturnType<typeof setTimeout> | null>(null);
+    const completedTimerRef = useRef<ReturnType<typeof setTimeout> | null>(null);
+
+    const todaysCalls = calls.filter(
+        (c) => c.agentName === user.name && c.startedAt !== null && isToday(c.startedAt),
+    );
+
+    const handleSimulateCall = useCallback(() => {
+        if (callState !== 'idle') return;
+
+        // Prefer leads with aiSummary, fall back to any lead
+        const leadsWithAi = leads.filter((l) => l.aiSummary !== null);
+        const pool = leadsWithAi.length > 0 ? leadsWithAi : leads;
+        if (pool.length === 0) return;
+
+        const randomLead = pool[Math.floor(Math.random() * pool.length)];
+        setActiveLead(randomLead);
+        setCallState('ringing');
+        setCompletedDisposition(null);
+
+        ringingTimerRef.current = setTimeout(() => {
+            setCallState('active');
+            callStartRef.current = new Date();
+        }, 1500);
+    }, [callState, leads]);
+
+    const handleDisposition = useCallback(
+        (disposition: CallDisposition, notes: string) => {
+            if (activeLead === null) return;
+
+            const now = new Date();
+            const startedAt = callStartRef.current ?? now;
+            const durationSeconds = Math.floor((now.getTime() - startedAt.getTime()) / 1000);
+
+            const newCall: Call = {
+                id: `call-sim-${Date.now()}`,
+                createdAt: startedAt.toISOString(),
+                callDirection: 'INBOUND',
+                callStatus: 'COMPLETED',
+                callerNumber: activeLead.contactPhone,
+                agentName: user.name,
+                startedAt: startedAt.toISOString(),
+                endedAt: now.toISOString(),
+                durationSeconds: Math.max(durationSeconds, 60),
+                recordingUrl: null,
+                disposition,
+                callNotes: notes || null,
+                patientId: null,
+                appointmentId: null,
+                leadId: activeLead.id,
+                leadName:
+                    `${activeLead.contactName?.firstName ?? ''} ${activeLead.contactName?.lastName ?? ''}`.trim() ||
+                    'Unknown',
+                leadPhone: activeLead.contactPhone?.[0]?.number ?? undefined,
+                leadService: activeLead.interestedService ?? undefined,
+            };
+
+            addCall(newCall);
+
+            const newStatus = dispositionToStatus[disposition];
+            if (newStatus !== undefined) {
+                updateLead(activeLead.id, {
+                    leadStatus: newStatus,
+                    lastContactedAt: now.toISOString(),
+                    contactAttempts: (activeLead.contactAttempts ?? 0) + 1,
+                });
+            }
+
+            setCompletedDisposition(disposition);
+            setCallState('completed');
+
+            completedTimerRef.current = setTimeout(() => {
+                setCallState('idle');
+                setActiveLead(null);
+                setCompletedDisposition(null);
+            }, 3000);
+        },
+        [activeLead, user.name, addCall, updateLead],
+    );
+
     return (
         <div className="flex flex-1 flex-col">
-            <TopBar title="Call Desk" subtitle="Manage inbound and outbound calls" />
-            <div className="flex flex-1 items-center justify-center p-7">
-                <div className="flex flex-col items-center gap-2 text-center">
-                    <h2 className="text-display-xs font-bold text-primary">Call Desk</h2>
-                    <p className="text-sm text-tertiary">Coming soon — call queue, dialer, and live call management.</p>
+            <TopBar title="Call Desk" subtitle={`${user.name} \u00B7 Ramaiah Memorial Hospital`} />
+
+            <div className="flex flex-1 overflow-hidden">
+                <div className="flex-1 space-y-5 overflow-y-auto p-7">
+                    <CallSimulator
+                        onSimulate={handleSimulateCall}
+                        isCallActive={callState !== 'idle'}
+                    />
+                    <IncomingCallCard
+                        callState={callState}
+                        lead={activeLead}
+                        activities={leadActivities}
+                        campaigns={campaigns}
+                        onDisposition={handleDisposition}
+                        completedDisposition={completedDisposition}
+                    />
+                    <CallLog calls={todaysCalls} />
                 </div>
+
+                <aside className="hidden w-72 space-y-5 overflow-y-auto border-l border-secondary bg-primary p-5 xl:block">
+                    <DailyStats calls={todaysCalls} />
+                </aside>
             </div>
         </div>
     );