SIP Trunking
Phone Systems
HDT's SIP Trunking service will work with all major IP-PBX manufacturers. Below is a list of phone system manufacturers that have been through interop testing for HDT SIP Trunk services.
- Adtran Netvanta 7000 Series
- Asterisk
- Avaya Advanced Communications System
- Cisco Unified Communications Manager
- Digium Switchvox IP PBX
- FreePBX
- Microsoft ResponsePoint
- Microsoft Office Communications Server
- Mitel IP Communicaitons Platform
- Nortel Software Communications System
- sipXecs
- Shoretel
- Sutus
- Talkswitch
- Zultys
- 3Com IP Telephony Platforms
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