Ports for phones and Disabling SIP ALG
IMPORTANT ports to advise for QoS to Customers:
Polycom IP335 UDP and RTP default ports:
Registration Ports: UDP 5060-5090
Media Ports: UDP 2200-2300
Check this within the phones web configuration page under settings - > network -> UDP and RTP. Then setup a QOS rule to both.
Polycom Useful link also: http://community.polycom.com/t5/VoIP/FAQ-What-Ports-Protocols-are-being-used-need-to-be-open-in-a/td-p/49047
Snom 300:
Registration Ports: UDP 5060-5090
Media Ports: UDP 50000-60000
Yealink Desk Phone Ports:
Registration Ports: UDP 5060-5090
Media Ports: UDP 11780-11800
Cisco Desk Phone Ports:
Registration Ports: UDP 5060-5090
Media Ports: UDP 16384-16538
Zoiper Port:
Registration Ports: UDP 5060
Media Ports: UDP 8000
Overall guide to Disabling SIP ALG:
https://www.babblevoice.com/wiki/Supported_Routers
Contains all info for most mainstream routers.
