Voice over IP

I use a Cisco 2621XM Router with 12.3(11)T6 IOS, NM-HD-2V with VIC2-2FXS and I try to configure the t.37 protocol. Olso, I use a smtp Exchange server for a fax mail server and a fax machine connected in a FXS port. I use the Cisco Configuring documen...

Hi, I'm using cisco3825 as a voice gateway with concerto dialer software for outbound dialing for a call center.Agents are facing voice problems :like they can hear the customer but customer can't hear them.But it's not for all the agents at a time. ...

Hi all,Is there any tools/commands available for Cisco 2621XM (2600 series), with which we can measure the voice quality of VOIP and TDM calls. Is it possible to get some statistical information about the voice call.What are the metrics used by Cisco...

dear, I am new in VOIP and facing the following problems in VOIP: Voice breakage Echo Jitter Loss Distortion one-way-voice underwater voice robotic voice voice getting lower and heard less dont just tell me the cause of these problems, kindly tell me...

Hi, I'm using cisco3825 as a voice gateway with concerto dialer software for outbound dialing for a call center.Agents are facing voice problems :like they can hear the customer but customer can't hear them.But it's not for all the agents at a time. ...

Hi,Someone has an answer if the PGW has the ability to get SIP INFO messages containing DTMF tones and able to inform the GWAY via MGCP to generate those signals? (DTMF relay from SIP world to SS7 MGCP controlled gway).Thanks in advance

hello allhere is my situation i have created two dial peer one with a incoming number .T with service abc(ip based authentication) with no destination pattern. it is the inbound dial peer.another one with destination pattern 646 and no incoming numbe...

Has anybody tried establishing an IP trunk between MD 110 and Cisco routers (any would do) as follows:MD110 <IP,H323> Cisco Router with IP telephony.TksBrani

Hi friends, When I apply a "class" over a frame-relay subinterface i obtain the nex error message: Only class-default supported over FR VCs..I am implementing a QoS feature on my routers.Regards

I have a CCM 4.1(3)sr3 Cluster, and on one of the Subscribers, I get DCOM errors in the Event logs; Error: DCOM got error "Class not registered" from the computer xxxx when attempting to activate the Server: {xxxxx}.CCM 4.1(3)sr3CSA 4.03 build 728Q...

Can pure SIP support video conference function?Somewhere, it mentions SIP does not. Then how do make a video conference by SIP. Co-operate with other protocols?by the way, which codecs does SIP use in the video confernece. I only know that in H.323, ...

Hello all,I am running a VoIP lab and have cisco 7960g configured and working well making outbound and inbound calls plus v-mail, except that I need to configure a 4-digit dialplan in the dialplan.xml file to be able to call other extensions. The cur...

Hi friends, I have a link with 2 MB and I have 2 application groups. One group are application that can use all link BW (2mb) and I have other app that runn over tftp protocol; If the first app group use 1.8 MB, this ftp application can use 0.2 MB, i...

Hi all,I need to define incoming and outgoing calls per e1 separately under AS5400HPX platform using related mibs. But i could not find anything in the mib locator about that.Is there anybody who did succeed in this job before ?Thanks in advance.

Hi there, I've got a dual line 7941 phone and would like to configure different ring tone for each of the lines. eg. I've got ext 100 and 101 on my phone. i would like the phone to ring differently when a call comes into 100 and 101 so i can know j...