- 3CX ThinkTel's Interop Doc
- Acme Packet SBC
- AdTran
- Algo Configuration Guides
- Asterisk
- Asterisk ThinkTel's Interop Doc for all versions
- Digium G100/G200 ThinkTel's Interop Doc
- Asterisk ThinkTel's Interop Doc for all versions
- AudioCodes Mediant E-SBC with Microsoft Lync ThinkTel's Interop Doc
- Avaya
- Avaya Aura Configuration Guides
- Avaya IP Office Configuration Guides
- Barracuda Cudatel Phone System 270 ThinkTel's Interop Doc
- Bogen Configuration Guides
- Broadsoft
- CallWeaver
- Cisco
- Call Manager Configuration Guides
UC540 Configuration Guides - C881 Voice 15.3.(3)M5 ThinkTel's Interop Doc
- Call Manager Configuration Guides
- Communigate Pro
- Dialogix
- Ericson-LG (UCP AND EMG80-P2 system.)) NINE-ONE-ONE's Interop Doc
- Fonality Trixbox Pro ThinkTel's Interop Doc
- Freeswitch Configuration Guides
- Grandstream ThinkTel's Interop Doc
- Grandstream ATA
- Grandstream PBX
- Linksys
- MITEL
- MITEL MCD ThinkTel's Interop Doc
- MITEL Onsite (ShoreTel)
- MITEL PBX
- Natural Convergence
- Next Tone
- Nortel SIP Gateways
- Panasonic ThinkTel's Interop Doc
- Patton4991 ThinkTel's Interop Doc
- Pingtel
- Planet IPX Configuration Guides
- Polycom Configuration Guides
- Ribbon SBC ThinkTel's Interop Doc
- Epygi Quadro-IP-PBSx ThinkTel's Interop Doc
- Sangoma SBC ThinkTel's Interop Doc
- Siemens
- Sutus ThinkTel's Interop Doc
- Talkswitch Users Guide and ThinkTel's Interop Doc
- Toshiba Strata CIX ThinkTel's Interop Doc
- VegaStream
- Vonexus
- Yealink T55A ThinkTel's Interop Doc
- Zultys ITSP ThinkTel's Interop / Quick Start Doc