Howto:What Ports are used for Signaling and Voice Traffic in SIP and H.323? - innovaphone wiki
Change SIP port
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SIP and the Internet
![4. Cisco IP Phone 7960/40 Administrator Guide for SIP, Version 3.0 - Product Overview (Version 3.0) [Cisco SIP IP Phone Software] - Cisco](https://www.cisco.com/content/dam/en/us/td/i/000001-100000/60001-65000/62001-63000/62472.ps/_jcr_content/renditions/62472.jpg "4. Cisco IP Phone 7960/40 Administrator Guide for SIP, Version 3.0 - Product Overview (Version 3.0) [Cisco SIP IP Phone Software] - Cisco")
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![6. Cisco IP Phone 7960 Administrator Guide for SIP, Version 1.0 - Product Overview (Version 1.0) [Cisco SIP IP Phone Software] - Cisco](https://www.cisco.com/content/dam/en/us/td/i/000001-100000/35001-40000/38001-38500/38006.ps/_jcr_content/renditions/38006.jpg "6. Cisco IP Phone 7960 Administrator Guide for SIP, Version 1.0 - Product Overview (Version 1.0) [Cisco SIP IP Phone Software] - Cisco")
6. Cisco IP Phone 7960 Administrator Guide for SIP, Version 1.0 - Product Overview (Version 1.0) [Cisco SIP IP Phone Software] - Cisco
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VoIPClub - SipDevices Site
