sip trunk provider

  1. mastermindjf

    VIVO SIP PROVIDER ADDED +55 TO THE CALLED DID NUMBER

    Hi everyone, My SIP provider (Vivo) recently started adding +55 to the SIP headers, and now all my DIDs have stopped working. I need to update the DIDs in 3CX to match this new format, but I don’t want to lose the existing configuration for each one — I have many DIDs and reconfiguring them...

  2. 3CX Sip Trunk Bangladesh

    Hello, 3CX system is used in our Turkey headquarters. We would like to add Bangladesh representation to the existing switchboard system. The switchboard system used in Turkey is the SIP user information of our landline number on Verimor Telekomünikasyon and all calls are made through the 3CX...

  3. SIP Trunk Provider to port 07458 numbers

    Can anyone recommend a SIP trunk provider who has a porting agreement in place to port 07458 numbers?
    • colinuk
    • Thread
    • 07458 number port sip trunk provider
    • Replies: 1
    • Forum: UK

  4. SIP Trunk Issue

    Hello All, Looking for a solution we recently purchase the sip trunk locally from our ISP and their request and procedures make me frustrated totally the trunk is not getting up at all. I need to change some headers fields into ISP format which are given below. Anyone can guide how to change...
    • aalir
    • Thread
    • sip trunk between 3cx and 3rd party sip trunk configration sip trunk provider
    • Replies: 9
    • Forum: Other

  5. Looking for SIP Trunk providers in Hong Kong

    Both companies listed on this page (28VOIP & A-Z Telecom) are NOT SIP Trunk providers. https://www.3cx.com/partners/sip-trunks/hong-kong/ They are solution providers and we cannot purchase Hong Kong phone numbers from them. Is it possible to use 3CX as a self-hosted solution in Hong Kong...
    • JoForest
    • Thread
    • hong kong sip trunk provider
    • Replies: 1
    • Forum: Other
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