From: Vajira Wijesinghe (vw2005@gmail.com)
Date: Tue Jun 14 2005 - 05:48:01 GMT-3
Dear group-
Here is an RTP connection output from my gateway.
It shows that there are certain voice calls connected to ports around 50,000
as well.
Can someone explain why there are RTP connections made above 32767 at the
remote end?
VGW1#sh voip rtp connections
VoIP RTP active connections :
No. CallId dstCallId LocalRTP RmtRTP LocalIP RemoteIP
1 93983 93984 16480 17898 220.160.158.63 <http://220.160.158.63>
135.196.25.198 <http://135.196.25.198>
2 95428 95429 16986 19594 220.160.158.63 <http://220.160.158.63>
135.196.25.198 <http://135.196.25.198>
3 96190 96194 18858 20424 220.160.158.63 <http://220.160.158.63>
135.196.25.198 <http://135.196.25.198>
4 96717 96718 17974 21098 220.160.158.63 <http://220.160.158.63>
135.196.25.198 <http://135.196.25.198>
5 96995 96996 17580 21548 220.160.158.63 <http://220.160.158.63>
135.196.25.198 <http://135.196.25.198>
6 97388 97389 17404 21952 220.160.158.63 <http://220.160.158.63>
135.196.25.198 <http://135.196.25.198>
7 97630 97631 16908 22244 220.160.158.63 <http://220.160.158.63>
135.196.25.198 <http://135.196.25.198>
*8 97671 97672 17736 50084 220.160.158.63 <http://220.160.158.63>
203.208.250.68 <http://203.208.250.68>*
9 98449 98450 19458 18058 220.160.158.63 <http://220.160.158.63>
213.166.24.15 <http://213.166.24.15>
10 98478 98479 19578 16634 220.160.158.63 <http://220.160.158.63>
213.166.24.8 <http://213.166.24.8>
11 98838 98839 18466 23748 220.160.158.63 <http://220.160.158.63>
135.196.25.198 <http://135.196.25.198>
12 99199 99200 18812 17620 220.160.158.63 <http://220.160.158.63>
213.166.24.4 <http://213.166.24.4>
13 99419 99420 17044 24424 220.160.158.63 <http://220.160.158.63>
135.196.25.198 <http://135.196.25.198>
14 99505 99506 19018 24520 220.160.158.63 <http://220.160.158.63>
135.196.25.198 <http://135.196.25.198>
15 99802 99803 18352 24838 220.160.158.63 <http://220.160.158.63>
135.196.25.198 <http://135.196.25.198>
16 99854 99855 19520 19312 220.160.158.63 <http://220.160.158.63>
213.166.24.15 <http://213.166.24.15>
17 99920 99921 19372 24938 220.160.158.63 <http://220.160.158.63>
135.196.25.198 <http://135.196.25.198>
18 99938 99940 16924 18302 220.160.158.63 <http://220.160.158.63>
213.166.24.8 <http://213.166.24.8>
19 100006 100007 16766 25060 220.160.158.63 <http://220.160.158.63>
135.196.25.198 <http://135.196.25.198>
20 100093 100094 17364 25166 220.160.158.63 <http://220.160.158.63>
135.196.25.198 <http://135.196.25.198>
21 100139 100140 17026 19278 220.160.158.63 <http://220.160.158.63>
213.166.24.8 <http://213.166.24.8>
*22 100172 100173 19080 50470 220.160.158.63 <http://220.160.158.63>
203.208.250.68 <http://203.208.250.68>
23 100176 100177 17366 50500 220.160.158.63 <http://220.160.158.63>
203.208.250.68 <http://203.208.250.68>
*24 100221 100222 18578 25278 220.160.158.63 <http://220.160.158.63>
135.196.25.198 <http://135.196.25.198>
25 100238 100239 17452 32008 220.160.158.63 <http://220.160.158.63>
83.245.42.32 <http://83.245.42.32>
26 100290 100291 19332 25384 220.160.158.63 <http://220.160.158.63>
135.196.25.198 <http://135.196.25.198>
27 100309 100310 17506 27310 220.160.158.63 <http://220.160.158.63>
64.34.26.194 <http://64.34.26.194>
28 100327 100328 17864 30168 220.160.158.63 <http://220.160.158.63>
81.23.208.140 <http://81.23.208.140>
*29 100444 100445 19522 50706 220.160.158.63 <http://220.160.158.63>
203.208.250.68 <http://203.208.250.68>*
30 100448 100449 16610 18464 220.160.158.63 <http://220.160.158.63>
213.166.24.4 <http://213.166.24.4>
31 100458 100459 18978 25582 220.160.158.63 <http://220.160.158.63>
135.196.25.198 <http://135.196.25.198>
32 100474 100475 16484 17692 220.160.158.63 <http://220.160.158.63>
213.166.24.8 <http://213.166.24.8>
On 6/11/05, Scott Morris <swm@emanon.com> wrote:
> That all depends on what your application is and how things are running...
>
> H.323 voice specification calls for 16384-32767.
> H.323 whiteboard specification calls for 32768-49151.
> H.323 video specification calls for 49152-65535.
>
> I'm sure there are others that you may run into, but look to the
> application.
>
> Scott
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Vajira Wijesinghe
> Sent: Friday, June 10, 2005 10:15 PM
> To: Cisco certification
> Subject: udp ports for RTP connections
>
> Hello Group,
>
> I have read in Cisco documents that RTP connections are made on UDP ports
> above 16383. But practically I have seen, these are made on ports above
> 10000.
>
> Could anyone please enlighten me on the exact ports on which RTP
connections
> are made? (My requirement is to allow RTP from an
> access-list)
>
> Thanks in advance.
>
> _______________________________________________________________________
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