sip 3cx v20

  1. ronenba

    3cx cloud Version 20.0 Update 7 (Build 1080 Release) issue with incoming calls voip.ms

    I am hosting my 3CX on Amazon, located in the Montreal server Seems when I try to add a sip trunk from voip.ms with DNS pointing outside of canada i can make outgoing calls but cannot receive them If I change the DNS to a Canadian DNS seems to be working fine any ideas how to address the...
    • ronenba
    • Thread
    • incoming call sip 3cx v20 sip truck not working with voip.ms
    • Replies: 4
    • Forum: Phone System / PBX

  2. P-Asserted-Identity: "+442XXXXXXXXX"<sip:anonymous>

    Hi all, I’m trying to identify the cause of an issue with my outgoing SIP messages, where the following header is being inserted: P-Asserted-Identity: "+442XXXXXXXXX" sip:anonymous I need to either modify or completely remove the sip:anonymous portion, but I haven’t been able to determine...
    • Oliver Mainprize
    • Thread
    • #p-asserted-identity outbound sip 3cx v20 trunk
    • Replies: 2
    • Forum: Other

  3. 3CX V20 with Twillio as SIP trunk, randomly not receiving calls

    Hi everyone, After the upgrade to V20 I am randomly getting's dropped incoming calls. Twillio's incoming call logs are showing that server did not reply to SIP ( 32022 - ACK not received from your SIP endpoint: ACK not received from the SIP endpoint), every 30-60 minutes I would get one or two...

  4. Indian SIP Provider via a UK 3CX Instance

    Hi guys, Does anyone have any tips or any direction of who we might be able to use to acquire an Indian SIP Provider to work with our UK 3CX Instance? Our customer works mainly in the UK but are branching out into India and would like a local number, and the ability to dial within the country...
    • Ben_VoIP
    • Thread
    • international calling international remote users sip 3cx v20
    • Replies: 2
    • Forum: Other
  5. Univ. of North Florida

    DID and Caller ID Errors After Upgrade to V20 Update 5

    Hi, We are with the University of North Florida’s Telecom Team and we have found a couple of issues that appeared after we performed an update to V20 Update 5 Build 20.0.5.551. Issue 1: We are no longer able to have more than 100 entries in our “Reformat incoming or outgoing caller ID”...
    • Univ. of North Florida
    • Thread
    • caller id caller id reformatting did error sip sip 3cx v20 update update 5
    • Replies: 4
    • Forum: US

  6. The additional sip trunk does not route calls to DID numbers.

    Good afternoon, everyone. We ran into a problem adding a second SIP Trunk to our system. This is the only way it works for us at the moment: Default Route = Customer Service (direct forwarding from SIP Trunk to Customer Service) In this trunk we have several city numbers. Customer Service has...
    • Malyar
    • Thread
    • sip 3cx v20 trunk configuration
    • Replies: 3
    • Forum: US

  7. Question about SIP security

    We have a SIP connection to Flowroute from our on-prem 3CX server using register-based authentication over 5060. We are on version 20. I have a few questions about the security of it. 1. Is the password sent to Flowroute encrypted or plain text? 2. Is the connection encrypted or unencrypted? 3...
    • javond01
    • Thread
    • sip 3cx v20 tls encryption
    • Replies: 4
    • Forum: US

  8. Where does the SIP contact header IP come from?

    Self-hosted 3CX v20. The SIP registration Contact header shows the IP address 172.21.7.62, which is an old IP. We've change ISP and need it to use what I have changed the 3CX External IP to be. Where in 3CX is that old IP defined? I can't find it anywhere. REGISTER...

  9. Spain -LCRcom does not receive the DDI. V20

    Version 20.0 Update 2. Hi all, we have 1 SIP Trunk (LCRcom) with 2 DDI configured. Until recently everything was working correctly but since a week ago our Caller ID shows the same number without distinguishing from where the caller is calling. LCRcom informed us that they do not receive the...
    • bihr
    • Thread
    • caller id outbound sip 3cx v20 trunk outbound
    • Replies: 0
    • Forum: Other
  10. abdelrahman nasrallah

    DNS error resolving FQDN,

    Hi after update to v20 trunk not work with me Registration at xxxxxxxx has failed. Destination (sip:172.16.16.10:5060;transport=TCP;lr) is not reachable, DNS error resolving FQDN, or service is not available. i'm using yeastar neogat 410A Also, when calling internal numbers, the name does...
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