[cisco-voip] Media ports on cisco 7960

[AKN]

Jonathan Charles wrote:
> The phone is using RTP, which has a specified UDP port range of 16384
> to 32767....

All IP phones use RTP for media and there is not restriction in the RTP 
standard to use only 16384 to 32767 range for media traffic. It is only 
recommendation from Cisco to use 16384 to 32767 range for media traffic.

> 
> I do not believe this can be changed (it is a function of the
> underlying protocol).

As I explained above it is not the function of underlying protocol, and 
should be able to be changed somewhere.

> 
> But more importantly, I think changing it to such a small range of
> ports (98) would have serious negative consequences.

Normally 1 to 2 ports are needed for one voice channel that is one phone 
call and Cisco-7960 can handle at most 12 calls at a time that means 
maximum 12 to 24 ports are used so this range of 98 ports are more than 
enough.


> 
> 
> 
> Jonathan
> 
> 
> On 7/3/06, AKN <ajt.info at gmail.com> wrote:
>> Hi,
>>
>> Default media port range on Cisco 7960 is 16384 to 32767.
>> I want to change it to 16384 to 16482.
>>
>> Where to make changes so that phone only uses that range for media?
>>
>> Thanks.
>>
>> /A
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>