IP Telephony and Phones

Hello!We have a business unit that would like to have their customers call their main number, select an option and hear a recorded status of an event they are registered to attend.  A mock up of the recording would be similar to... If you are calling...

Hi All,Some time blind transfer calls gets failed, When Operator Transfer the Phone to external party (Mobile), Sometimes blind transfer calls gets failed. It's not failing all the times. This issue happening in Remote SRST Sites. We are using CUCM 1...

I have a particular scenario that is less than ideal. Basically a user dials a DID we own, its handed to our SIP Gateway and the handed to CUCM where it gets sent to a CTI route point that then forwards to an external number.However there is no ringb...

im setting up a MGCP with FXS and FXO , im confused about the  attendant DN , with FXO when i set the attendant DN number , it means this is the extension on cucm any incoming calls on that FXO will ring , but with FXS what does attendant DN do? what...

Would anyone have any idea as to how I can import the CUCM extension or UnityCN extension into the IP Phone field in AD? I am looking for a way to automatically update user extension information within AD from CUCM and\or UnityCN versions 8.6.ThanksM...

 Hi All, Ip phone 3905 recieve a error "image downloading fail". Try reset to factory default. Didn't help. Any ideasPlease refer the attached screenshot for reference. Thanks,kadhirvelu

Hello  I have centralized cucm and unity and in the branches we installed router with SRST function In normal scenario call come to PSTN in branch forwarded to call handler in centralized unity but if the WAN is down the calls should be go to user in...

Gentlemen, Good morning! I would really like to take a doubt, a customer has a C40 video end point on a specific site, it leaves the option "Auto Answer" in ON mode, but for some power problems in the locality every time the equipment is reset he com...

We have many 8845 phones with Plantronics headsets (CS540 mostly) with the proper EHS cable that before the upgrade to 12.5 would beep in the headset when a call came in.  We were using sip8845_65.12-1-1SR1-4 and it worked fine.  With 12.5, it no lon...

Customer has 2921 running CME on c2900-universalk9-mz.SPA.157-3.M4b.bin Attempting to bring up CME.  Phone refuses to register.  Have cleared the ITL file, reset to factory defaults, but it simply refuses.  Debugging the TFTP and SIP traces, the only...