We have recently implemented a Site on Call Manager Express 11.0 with SIP Phones 8841. We are using POTS Line for incoming and outgoing calls. Everything works OK except for issues related to DTMF.   When a user tries to dial a number on PSTN that ha...

Hi All, We have a remote site whose IP Phones are presently registered to CUCM with Cisco Voice Gateway 2951 used for calling to outside world via PRI and for SRST as well.   We plan to migrate this site to a standalone solution. For this, do we need...

Can anyone confirm the regulatory requirements for emergency dialing in Brazil. Do we need a local gateway with either a POTS line or PRI for dailing emergency numbers just like in U.S in order to get the right number and location reflected to PSAP. ...

Hi Guys, Has anyone integrated Polycom VVX 301 Phones with CME. Specification on Polcom website highlights that VVX 301 supports SIP Protocol. Support Documents from Polycom highlights the procedure to add their SIP Phones to CUCM but nothing for CME...

Hi,We recently migrated from CME to CUCM Environment. Problem is when we call any number( mostly an IVR application ) , the call gets connected however when prompted to press any extension, phones doesn't seem to recognize the digits pressed and noth...