IP Telephony and Phones

Dear Support,I need to block call colect from Analog Line. I'm using FXS port with two analog line. How i can to configure to block this call type?Thank you

Is there a rule of thumb for memory needed on a 3845 to run CUBE and 200 SIP calls?We currently have our SIP channels restricted to 70 simultanious and the router is throwing "low memory available" error messages with 256MB RAM.IOS isversion c3845-ad...

Dear allI have CCM 7.0 with voice gateway for PSTN connectivitywhen I call with my IP Phone to pstn I have echo so this make voice quality.any hint or idea please?

Hi all,I got problem, our department members login into CUCM (7.0) administration and logins are authenticated on LDAP server. But if you mistype password, CUCM sends this request to LDAP server 3times and due to our LDAP rules is your account for c...

Hello Experts-I know "jack" about QoS other than it's short for quality of service. With that said, here's the sit:We had a 2851 router acting as a WAN data link and voice gateway for our DC location until this AM. we cut over to a mpls 3rd party man...

Hello I need to know why I do not see at Internet subsribers that I just to created, they exists but I do not see the internet subscriber. The subscriber of type exchange are correct.

I am having problems with some modems dialling out after we converted the analog lines to go through a VG248. Especially the US Robotic older modems - seem to establish a connection and then drop it - for some reason.

I have a CME system running on a 2800 series router that uses analog trunk lines from the telco. The system has 8 phones attached to it. Most phones sound OK but two phones have extremely low volume levels when calls from the PSTN are either answer...

IP Manager Assistant comes with a great wizard to setup.. How do you undo the settings? I am deleting / unassociating route points, partitions, and search spaces but I still cant delete the partitions. Something is associated with something that is n...

I have an H.323 gateway with a PRI that is recieving calling name from the PSTN. I know that this is supported with MGCP, but I was looking to keep this feature with an H323 or SIP gateway.Can this be done?ThanksFrank

When using the BACD in drop through mode I get the US dial tone after the welcome greeting. Is there a way to configure this for swedish dial tone? Everything else in the system is set to swedish standards and working, it's only the BACD that do it U...

HI,How can we add two mail boxes for each user.Please give me some hints. one i already created for voice msgs now how can i create another one for outlook email.Thanks,Zeeshan

trying to add a cdr billing server without success. FTP server is up. id and password work because I can ftp to it from a dos window on a pc, directory is home directory, ability to read and write and create directories. I enter all of the variables ...