Avaya IP Office review
A broad on-premises communications platform for organizations balancing TDM and IP telephony.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Avaya IP Office is an on-premises unified communications and telephony platform for small, medium-sized, and larger organizations. It is designed for businesses that need to combine traditional TDM telephony with IP calling while adding messaging, presence, voicemail, conferencing, mobility, and call management. Avaya Workplace Client extends calling, instant messaging, presence, directories, and video calling to desktop and mobile users. The platform supports up to 3,000 extensions across up to 150 sites, making it suitable for multi-site environments as well as smaller deployments.
Its strongest fit is a hybrid communications estate with varied endpoint and deployment requirements. IP Office supports physical appliances, dedicated servers, and virtual servers, alongside Windows, macOS, iOS, Android, and self-hosted environments. Core telephony functions include trunk support, call routing, transfer, hold, centralized call logs, softphone access, voicemail email forwarding and notifications, configurable multi-level auto attendants, and call recording, including automatic recording for quality assurance. Audio and video conferencing are also included. These capabilities give organizations a broad communications foundation without limiting the product to voice alone.
The ecosystem is a key consideration. Integrations include Microsoft Outlook, Microsoft Exchange, Office 365, Avaya Contact Center Select, IP Office Contact Center, IP Office SoftConsole, one-X Portal, Avaya Aura, and Scopia. Instant messaging depends on one-X Portal or Avaya cloud services, and feature availability varies by edition, deployment, license, and territory. According to the vendor's purchasing model, pricing is handled through sales or partners rather than a standard public plan structure. Choose Avaya IP Office when hybrid telephony, on-premises control, multi-site support, and Avaya ecosystem connectivity matter most; consider another option if you need a simple, publicly priced cloud-first service.
Avaya IP Office pros and cons
- Where it wins
- Combines TDM and IP telephony with trunk support
- Includes calling, messaging, presence, voicemail, recording, and conferencing
- Supports physical, dedicated, and virtual server deployments
- Where it doesn't
- Pricing requires contact with Avaya or a partner
- Feature availability varies by edition, license, deployment, and territory
- Instant messaging requires one-X Portal or Avaya cloud services
Avaya IP Office fact sheet, pricing and score →
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