Add a new SIP (chan_pjsip) Trunk
Trunk Name: Voxtelesys_Teams
Outbound CallerID: Number from Voxtelesys
Maximum Channels: Line limit from Voxtelesys
Change to "pjsip Settings" tab
Username: From Voxtelesys
Secret: From Voxtelesys
SIP Server: From Voxtelesys
Change to "Advanced" tab under pjsip Settings
Contact User: From Voxtelesys
From Domain:Same as SIP Server from Voxtelesys
Change to "Codecs" tab under pjsip Settings
Set the following codecs to: Ulaw
Route Name: Voxtelesys_Teams
Route CID: Number from Voxtelesys
Trunk Sequence for Matched Routes: Voxtelesys Teams Trunk
Change to the "Dial Patterns" tab
Match the rules below
Prefix: Your Prefix Rule to route to Teams
| Match Pattern: XXXX
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See guide Here
If you haven't already setup your Voxtelesys SBC please refer these Instructions
Command: Set-CsUser -Identity “user@example.com” -EnterpriseVoiceEnabled $true -HostedVoiceMail $true -OnPremLineURI Tel:2048
user@example.com
set the users email that you want to assign the caller ID2048
set the users extension number on the 3CXCommand: Grant-CsOnlineVoiceRoutingPolicy -Identity “user@example.com” -PolicyName “voxtelesys”