SIP Trunk Configurations
Synapse SIP Trunk Setup
How to setup a Synapse SIP Trunk as well as the Inbound and Outbound routes. Tested On: Synapse Deskset SB67010 - FW: 3.1.1 Synapse SIP Gateway SB67070 - FW: 3.1.2 Prerequisites: SIP Gateway SMB Telephony Deskset Up to date firmware for both SIP ...
Grandstream UCM Add a SIP Trunk
UCM6102/UCM6104 - 184.108.40.206 firmware Note - Caller ID must follow the NPANXX standard. The area code (NPA) must be a valid area code and the NXX must be a valid NXX. If the caller ID is not valid, then calls will not route properly and will need to ...
3CX SIP Trunk Setup
Tested Version - 220.127.116.116 on July 9, 2020 NOTE - DNS-SRV on 3CX versions 15.5.15502.6 and above correctly failover when the first DNS entry is unreachable, but the 3CX system will not recheck the first entry until the second DNS entry is ...
Yeastar S-Series - Add a SIP Trunk
Tested on Yeastar S20 - Firmware – 18.104.22.168 Note - Caller ID must follow the NPANXX standard. The area code (NPA) must be a valid area code and the NXX must be a valid NXX. If the caller ID is not valid, then calls will not route properly and will ...
SRTP Audio Encryption Support
Added functionality that allows for encrypted RTP audio communications between SIP devices, known as SRTP (RFC-3711). SRTP works in conjunction with the TLS protocol for SIP traffic to secure all communications to and from the phones. ZRTP (RFC-6189) ...
SIP Response Codes Reference and Error Codes
Prerequisites none 1xx Informational SIP Responses · 100 Trying – Extended search is being perform so a forking proxy must send a 100 Trying response. · 180 Ringing – The Destination User Agent has received the INVITE message and is alerting the user ...