Head-to-head · IP PBX Software
Avaya IP Office vs Yeastar P-Series Cloud Edition
Avaya IP Office leads on 0 checks, Yeastar P-Series Cloud Edition on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreAvaya IP Office · 9.0/10
- Free trialonly Yeastar P-Series Cloud Edition
- Most featuresAvaya IP Office · 1 of 3
Avaya IP Office scores higher on our rubric for ip pbx software: 9.0 against 8.5 out of 10; our editors rank them #2 and #7.
Avaya IP Office is the better fit for organizations standardizing on an established on-prem PBX. Yeastar P-Series Cloud Edition is the better fit for teams seeking cloud PBX with AI call handling.
- Avaya IP Office fits best
Organizations standardizing on an established on-prem PBX
- Yeastar P-Series Cloud Edition fits best
Teams seeking cloud PBX with AI call handling
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Side by side
| Feature | Avaya IP Office 9.0/10 Visit ↗ | Yeastar P-Series Cloud Edition 8.5/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.0 | 8.5 |
| Ranking | #2 in IP PBX Software | #7 in IP PBX Software |
| Best for | Organizations standardizing on an established on-prem PBX | Teams seeking cloud PBX with AI call handling |
| Pricing model | Paid | Paid |
| Starting price | Pricing on request | 30-day trial |
| Free plan | Not checked yet | — |
| Free trial | — | 30 days |
| Deployment | Self-hosted, Desktop, Mobile | Cloud |
| Platforms | Windows, macOS, iOS, Android | Web, Windows, macOS, iOS, Android, Chrome extension |
| Support | Tickets, Docs | Email, Phone, Tickets, Community, Docs |
| Integrations | 9 integrations | 20 integrations |
| Built for | Small business, Mid-market, Enterprise | Small business, Mid-market, Enterprise |
| Features Avaya IP Office 1/3 · Yeastar P-Series Cloud Edition 0/3 | ||
| Web management | Not checked yet | Not checked yet |
| Call recording | ✓ (best) | Not checked yet |
| High availability | Not checked yet | Not checked yet |
| Specs | ||
| Concurrent call limit | Not checked yet | Not checked yet |
| Deployment options | Not checked yet | Not checked yet |
| Supported platforms | Not checked yet | Not checked yet |
| Our review | ||
| Pros |
|
|
| Cons |
|
|
| Our verdict | Avaya IP Office brings on-premises unified communications and telephony together for small, medium-sized, and larger organizations. Its hybrid PBX supports both TDM and IP telephony, while voicemail, call management, conferencing,… Read the review → |
Yeastar P-Series Cloud Edition brings business calling into a cloud-hosted PBX for organizations that need call routing, IVR, queues, voicemail, and connections to business systems. Its multi-level, multilingual, and time-based IVR… Read the review → |
Strengths and trade-offs
Avaya IP Office — where it wins
- Combines TDM and IP telephony with trunk support.
- Includes auto attendants, call routing, recording, and conferencing.
- Workplace Client supports desktop and mobile calling, messaging, and presence.
Where it doesn't
- Purchasing is routed through sales or partners rather than public pricing.
- Instant messaging requires one-X Portal or Avaya cloud services.
- Features vary by edition, deployment, license, and territory.
Yeastar P-Series Cloud Edition — where it wins
- Routes calls by time, DID, and caller ID, with multi-level IVR and queues
- AI receptionist answers and routes calls; voicemail and calls can be transcribed
- Linkus clients, business integrations, and APIs span common platforms
Where it doesn't
- Commercial pricing is handled through Yeastar’s Partner Portal
- Paid instances require a minimum of 5 extensions
- Enterprise and Ultimate are the listed plans, with no free plan
- Avaya IP Office9.0/10 · Pricing on request
A hybrid on-prem PBX with broad calling and collaboration features for Avaya-oriented organizations.
Visit AvayaFull verdict → - Yeastar P-Series Cloud Edition8.5/10 · 30-day trial
A cloud business phone system combining IVR, queues, AI transcription, and integrations.
Visit YeastarFull verdict →
More comparisons
- 3CX vs Avaya IP Office
- Avaya IP Office vs Mitel MiVoice Business
- Avaya IP Office vs Wildix
- Avaya IP Office vs Vodia PBX
- Avaya IP Office vs Thirdlane Business Communications Platform
- Avaya IP Office vs 4PSA VoipNow
- Mitel MiVoice Business vs Yeastar P-Series Cloud Edition
- Wildix vs Yeastar P-Series Cloud Edition
All IP PBX software comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update





