Enterprise Phone System Replacement

The vendor required to provide enterprise phone system replacement with a cisco-based, cloud-first enterprise calling solution with hybrid survivability.
- The solution must support approximately 263 users distributed across a minimum of eleven (11) city facilities, with core voice gateways and survivability infrastructure located at four primary city sites, including a mission critical 24×7 police department non-emergency call center, while enabling flexible endpoint usage, simplified administration, strong security, and long-term architectural flexibility.
- Solution shall retain cisco as the system of record for all voice services, including call control, PSTN connectivity, e911, voicemail, survivability, and contact center functionality
- Phone system platform
•    Vendor: Avaya
•    Software: Avaya communication manager 8.1
•    Deployment: four (4) city facilities
- Software licensing (current)
•    Avaya UC core licenses: 688
•    Avaya 3rd‑party CTI licenses: 6
•    Avaya basic licenses: 6
•    Avaya support advantage: 4
- Endpoints (current inventory to be replaced)
•    Avaya VoIP phones (9608/9608g): 263
•    Avaya VoIP sidecars: 42
•    Avaya digital phones (6408d+, 8403b, 8405d+, 8410b): 47 (to be phased out)
•    Fax machines and lines: 16 (to be converted to fax‑to‑email)
•    Voicemail‑only accounts: 32
- Call routing and features (to be replicated)
•    Music on hold
•    Group pages: 11
•    Time‑of‑day and day‑of‑week routing
•    Holiday schedules
•    Hunt groups: 11
•    Vector directory numbers (VDNs): 19
•    Call vectors: 21
•    Auto‑attendant menus: 16
•    Recorded announcements: 16
•    Call pickup groups: 21
•    Class of service configurations: 4
•    Class of restriction configurations: 6
•    Coverage paths: 77
•    Coverage answers groups: 3
•    Departmental main lines: 2
•    Call forwarding, including off‑network forwarding to external and mobile numbers
- Voice mail system (current)
•    Platform: Avaya ix messaging v11.0.0.3204
•    Active mailboxes: 240
•    Information boxes: 7
- E911 compliance systems (current)
•    Sentry 911
•    Ray act compliance via VLAN‑based phone location designation
•    Kari’s law compliance via software on police department call center workstations
•    Direct dialing to 911 without prefix.