Access4 TLS trunks on Yeastar

Access4 TLS trunks on Yeastar


When Connecting TLS trunks from Access4. There is a deployment guide attached to this article from Access4.
The main difference from UDP/TCP access4 trunks is the FQDN used as below.


Access4 TLS/Encrypted trunks are a value add service, only use this guide if trunks are Encrypted trunks.



SIP trunk information
SIP server domain name: encreg.a4uc.com.au
Primary SBC IP address (outbound proxy) for SIP signalling: encreg1.a4uc.com.au
Primary SBC port number for SIP signalling: 5061
Secondary SBC IP address for SIP signalling: encreg2.a4uc.com.au
Secondary SBC port number for SIP signalling: 5061
Primary and secondary SBC transport protocol for signalling: TCP
Supported codecs: Voice: G.711A, G.711μ, Fax: T.38



The difference in setup in Yearstar is as below


  1. In PBX Settings>Sip Settings -Enable TLS and select TLS Connection Method with TLS V1.2,as below, and then reboot the PBX to take  effect.


Graphical user interface, application, TeamsDescription automatically generated


2. Then go to the SIP trunk page and configure it as below. Using the TLS FQDN and setting Sip port as 5061



  1. With Access4 using SRTP,  please enable the SRTP on the SIP trunk page.


    • Related Articles

    • Yeastar-Changing Caller ID outbound on Access 4 Trunks

      Access4 TLS trunks on Yeastar Changing caller ID outbound on Yeastar using Access 4 trunks Log in to Yeastar Portal Extension and Trunk Trunk You will see our Trunk user name and password , this by default is what is being sent outbound To change ...
    • Yeastar - Enabling TLS PBX and Extension

      Enabling TLS PBX and Extension To configure TLS on extensions we must set the PBX TLS enablement in conjunction with the extension. This will Register extensions using transport TLS on P-Series Enable TLS PBX Settings 1. Within Yeastar Management ...
    • YEASTAR - Unable to add SIP trunk to PBX

      Unable to add SIP trunk Issue When trying to create a SIP trunk in Yeastar and you are unable to access the +Add button is greyed out. Allow Trunk Edit 1. Log into your YCM portal -https://ycm.yeastar.com/login 2. Search PBX and go to Details 3. ...
    • Yeastar- Access 4 SIP tunk UDP-NEW UPDATED

      Yeastar – Access 4 Trunks – UDP Log into instance Fill out as below Trunk status :enable Trunk type :Register trunk Host name/IP:tkreg.a4uc.com.au Username :supplied by Access 4 Tansport: UDP Domain: tkreg.a4uc.com.au Password: supplied by Access 4 ...
    • Yeastar - Public IP for whitelisting with ITSP & Yeastar SBC

      Public IP for whitelisting with ITSP The following are the SBC IP addresses for the Yeastar Cloud PBX. The addresses can be whitelisted by ITSP for Yeastar access. Yeastar SBC Servers There are 2 server for the Yeastar Cloud Solution SBC Server When ...