The range for RTP/VOIP traffic packet could take is:
permit udp any any range 16384 32767
Also tcp port 1720 is used for voice control connetions similiar like port 21 with ftp
The range for RTP/VOIP traffic packet could take is:
permit udp any any range 16384 32767
Also tcp port 1720 is used for voice control connetions similiar like port 21 with ftp