IP Telephony and Phones

hi,i want to ask question about the upgrade of unified communications manager from 4.1.3 to 7.x....I want to ask that when we use data migration assistant tool on CCM4.1.3 (for the generation for upgrade file) whether the IP telephony setup will be r...

Upgrading from CCM 4.1(3) to 7.0(1). New hardware is used with new server names and IP addresses. The DMA utility has already been used to pull the data to the new servers.Want is process to update the CTL file on the new servers and phones?I have ...

Has anyone ever noticed whether CDR's are immediately purged from the CDR DB when the records are pushed to a Billing Server? My understanding is the CDR records are maintained according to the CDR Management configuration using the Water Marks and D...

We have a CCM 5.1.1 deployment where the Publisher and Subscriber are separated by a WAN. When the publisher is unavailable phones that are forwarded to voicemail cannot be un-forwarded. The phones display a message that states “Error Database”....

Have an ip communicator,thats not working, in a two server cm enviroment. when you look at device config its show correct tftp address for cm1 but the address for cm2 says srst and is not the correct tftp address for cm2. where the h%^& is it getting...

I am running IP Communicator over a VPN connection to corp voip CUCM server.I noticed that if I dialed a wrong number, I normally would hear "your call can not be completed, blah...", and now, I only hear fast busy. so the ANN media path being blocke...

Hi, I have a setup like this.Siemens PBX -----PRI----> Cisco3660------IP(H.323)---->Cisco 3845----PRI---->AvayaCall flow is from an extension in Siemens PBX to an extension in Avaya PBX. The calls are not getting connected with the error attached in ...

Has anyone ran got a solution for getting CNAM to correctly display if the sending and receiving phones are accessing the PSTN with different providers?Phone A dials B across PSTN. If A&B are on same providers network, CNAM is displayed. If they ar...

Hi,I have Unity 5.0, when I remove the unityinstall (which is the Unity administration account) from the Domain Admin group and try to add a user i receive error message permission denied.is there any way to remove the unityinstall account from the D...

I'm tryin to setup a Linksys SPA2102 with CM, and it keeps getting rejected. I have tried creating a different phone security profile that uses digest authentication. I have created a user in CM to use for this device. I'm not sure what I am missing....

I recently ordered a Cisco ATA 186 to install analog trunks between a Cisco UCM PBX and an Avaya CM PBX. To my dismay I have learned that the ATA 186 does not send digits out its ports and thus cannot interface with a PBX.Can anyone suggest a cheap a...

I am trying to dig around and locate a guide on using no user/pass for SIP outbound dial dialing. Inbound dialing is working good at the moment but when I try to dial outbound, I am trying to authorize, at least that's what my SIP provider is tellin...

Does anyone know if it is possible to have a linksys SPA-2102 (ATA) working with a Unified Communications Manager? If it is possible... how many DLUs are necessary for each SPA-2102?Thanks in advance for your support.