The following products are interoperable with CounterPath's Bria softphones.
| Company | Product Name | Protocol |
|---|---|---|
| Alcatel-Lucent | OmniPCX Office (OXO) | SIP |
| Alcatel-Lucent | OmniPCX Enterprise (OXE) | SIP |
| Avaya | IP Office | SIP |
| Avaya | Aura SIP Enablement Services (SES): Session Manager and Communication Manager | SIP |
| Avaya | Aura Breeze Platform - Presence Services | XMPP |
| Brekeke | Brekeke SIP Server | SIP |
| BroadSoft | BroadWorks Application Server, BroadWorks BroadCloud | SIP / XMPP |
| Broadview Networks | Silhouette | SIP |
| Cisco Systems | Cisco Unified Communication Manager (CUCM) | SIP |
| Cisco Systems | Cisco Unified Presence Server (CUPS) | XMPP |
| Digium | Switchvox / Asterisk | SIP |
| Ericsson | IMS Multimedia Telephony | SIP |
| Ericsson | LG Ericsson IPECS-CM | SIP |
| FreePBX | FreePBX 12 - VoIP Server | SIP |
| Genband | Genband Application Server | SIP |
| Genband | C20 Call Session Controller | SIP |
| Genesys | Contact Center Telephony | SIP |
| Genesys | Genesys SIP Server, SIP Feature Server, Media Server | SIP |
| HP | VCX V7000 Unified Communications Series | SIP |
| Huawei | IP Multimedia Subsystem (IMS) Platform: Huawei IMS Core, Huawei MediaX Conferencing Server | SIP |
| Metaswitch | MetaSphere Multiservice Telephony Application Server (MTAS) | SIP |
| Mitel | Mitel MiVoice Business 3300 Controllers / Mitel Communications Director (MCD) | SIP |
| NEC | UNIVERGE SV Series: SV8100, SV8300, SV8500, SV9100 | SIP |
| Nokia | Nokia Converged Telephony Server (CTS) | SIP |
| Oracle (Acme Packet) | Acme Packet Net-Net Session Border Controller (SBC), Acme Packet 4600 | SIP |
| Panasonic | KX Series IP-PBX: KX-TDE100/200/600, KX-NCP500/1000, KX-NS1000 | SIP |
| PortaOne | PortaSwitch | SIP |
| ShoreTel | IP-PBX Phone System | SIP |
| Siemens AG | HiPath 8000 | SIP |
| Siemens AG | OpenScape Unified Communication Server | SIP |
| Snom | SNOM ONE IP PBX | SIP |
| Sonus | Sonus SBC 1000/2000 | SIP |
| Sonus | Sonus SBC 5XXX-5.0.5 | SIP |