Grandstream: Setup SIP Trunk

Video coming soon!

1. Extension / Trunk > VoIP Trunks

2. + Add SIP Trunk

3. General Trunk Settings

Type: Register SIP Trunk

Provider Name: Voxtelesys

Host Name: From Voxtelesys

Username: From Voxtelesys

Password: From Voxtelesys

Other Notes:

Enabled "Keep trunk CID" if you want the outbound calls to use the SIP trunks caller ID, disable if you want the caller ID taken from the extension settings.

4. Save and re-edit Trunk

Go to the advanced tab and select the codecs:

  1. PCMU
  2. PCMA
  3. G729

5. Save and apply config