IP Telephony and Phones

Hello everyone,   The support forums, Reddit, and a little outside help has gotten me a long way in this project and I have learned a lot too. However, that being said the solutions we came up with was never really what I wanted (using VoIP gateways ...

Hi All We currently run a call manager circa 3000 users. We need to do a refresh of the hardware and software on it very soon. My question is, would it be feasible to look at hosted solutions? what are peoples experiences of hosted voice for this num...

I have question if it is possible to block a particular group of extension number to call other extension number....   5XX not allowed to call 2xx, 3xx, 4xx 2xx, 3xx, 4xx not allowed to call 5xx   btw. I'm using 1 Cisco Call Manager 11.5 and telephon...

Long story short - we lost the key that came with the kit.  Was able to lock unit using the key from a different location but really need to have a set on site.  Are those available separately and, if so, do we order that through our tech partner or ...

Recently upgraded 6941 ip phones for a client from SCCP69xx.9-2-1-0 to SCCP69xx.9-4-1-3SR3. The  time is now several hours ahead. No changes have been made to CUCM or NTP Servers. Has anyone ever experienced and taken steps to fix this issue.

Hi all, I am having a problem with DTMF in a Conference Bride. This is the call flow.   PSTN FXO/PRI -> PSTN Router -> SIP Dialpeer -> CUCM -> SCCP Phone -> (Conference) -> (IVR) VXML Gateway.   The conference Bridge is the PSTN Router PVDM. this is ...

We have a mix mostly of 7841 and 8811 phones. In some areas the 7841 phones intermittently loose the network, (network unavailable) You cannot even ping the phone. If you factory reset the phone, it will never even acquire an IP address.   I can pull...

Is there a way to have our CME re config this config each evening? It seems that about every day or so, the CME will stil send the CDR Data to our ftp server, but the data being shown is incomplete. The only solution has been to "no gw-accounting fil...

Hi Pals,   I am trying to create a conference in my 9971 Phone, but the "conference button" does not work after 3 party conference (built-in conference). I have a 7941 in CME as well. 7941 work great no problem.   This is the problem: SCR1(config)#vo...

Hi all! I'm quite rookie in VOIP. Hope you'll help to understand my issue. I have CUCM and cisco phones. These phones have their static internal IPs and are behind GW/Firewall, the call manager is on external IP and sits in external zone. All phones ...

We have just migrated from ISDN30 to SIP. For the most part everything appears to work correctly however we have encountered an issue when transferring calls. 1. External call comes in to extension 3000 and caller ID is displayed correctly. 2. Exten...

Hello,   I have 2 voice gateways with 4 PRIs terminated on each gateway. VG router model is ISR4451-X running isr4400-universalk9.03.16.05.S.155-3.S5-ext.SPA. I am facing issue with DSP alarms/errors causing calls to fail (both incoming an outgoing)....