<HTML dir=ltr><HEAD><TITLE>Re: [cisco-voip] problem configuring a Sip trunk between a CallManager 6.1 and aAlcatel 4400</TITLE>
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<DIV dir=ltr><FONT face=Arial color=#000000 size=2>What device is handling the transcoding? For sip trunks that are also doing dtmf conversion, you will need an advanced IOS gateway (i.e. ISR or better) in order for the trunk to handle both ISR software MTP (dtmf) and xcode resources simultaneously.</FONT></DIV>
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<DIV dir=ltr><FONT face=Tahoma size=2><B>From:</B> cisco-voip-bounces@puck.nether.net on behalf of Mark Holloway<BR><B>Sent:</B> Sun 3/1/2009 6:49 PM<BR><B>To:</B> 'Victor Rodriguez'; pedro.nogueira@sicnet.pt; cisco-voip@puck.nether.net<BR><B>Subject:</B> Re: [cisco-voip] problem configuring a Sip trunk between aCallManager 6.1 and aAlcatel 4400<BR></FONT><BR></DIV></DIV>
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<P class=MsoNormal><SPAN style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Where did he indicate that it works with G711 and not G729 and that he is transcoding? </SPAN></P>
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<P class=MsoNormal><B><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Tahoma','sans-serif'">From:</SPAN></B><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Tahoma','sans-serif'"> Victor Rodriguez [mailto:victor.rodriguez@neoris.com] <BR><B>Sent:</B> Sunday, March 01, 2009 3:21 PM<BR><B>To:</B> mh@markholloway.com; pedro.nogueira@sicnet.pt; cisco-voip@puck.nether.net<BR><B>Subject:</B> Re: [cisco-voip] problem configuring a Sip trunk between a CallManager 6.1 and aAlcatel 4400</SPAN></P></DIV></DIV>
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<P><SPAN style="FONT-SIZE: 10pt">It seems to be a transcoding problem, the sip trunk works with G711<BR><BR><BR><BR>----- Mensaje original -----<BR>De: cisco-voip-bounces@puck.nether.net <cisco-voip-bounces@puck.nether.net><BR>Para: 'Pedro Nogueira' <pedro.nogueira@sicnet.pt>; cisco-voip@puck.nether.net <cisco-voip@puck.nether.net><BR>Enviado: Sun Mar 01 15:34:16 2009<BR>Asunto: Re: [cisco-voip] problem configuring a Sip trunk between a CallManager 6.1 and aAlcatel 4400<BR><BR>Is there a firewall in between CCM and Alcatel? NAT?<BR><BR><BR><BR>From: cisco-voip-bounces@puck.nether.net [<A href="mailto:cisco-voip-bounces@puck.nether.net">mailto:cisco-voip-bounces@puck.nether.net</A>] On Behalf Of Pedro Nogueira<BR>Sent: Saturday, February 28, 2009 8:34 PM<BR>To: cisco-voip@puck.nether.net<BR>Subject: [cisco-voip] problem configuring a Sip trunk between a Call Manager 6.1 and aAlcatel 4400<BR><BR><BR><BR>Hello,<BR><BR><BR><BR>i've a design configuration of a Call Manager 6.1 with a Sip trunk conected to a Alcatel 4400, and from the side of Cisco Call Manager both sip and sccp clients and from the Alcatel side both analog and sip phone clients, when i call from the Call Manager side, the call rings and establishes but they hear us but we dont hear them; if we call from the Alcatel side, the call rings and establishes , and we hear them and they hear us, without problems.<BR><BR>Anybody have any idea of whats the problem in the Cisco side calls?<BR><BR>Someone had this problem already? Whats the solution?<BR><BR>Any help would be much appreciated.<BR><BR><BR><BR>Thanks in advanced.<BR><BR><BR><BR>P.</SPAN></P>
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