Firewall settings

To fully use Merge services a client SIP user agent needs access to following ports used by the Merge Service Platform:

Port range Protocol Description Application
5060 UDP SIP signaling SIP Proxy/Registrar/Presence Agent
53 UDP DNS resolution DNS and ENUM
50000:60000 UDP RTP media MediaProxy – RTP media relay
2855 TLS MSRP media MSRP relay – MSRP media relay
443 TLS XCAP storage OpenXCAP – Presence policy management

 Having some of these ports blocked is one of the main reasons for having trouble with Merge services.  Check for your network administrator to check your settings.

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