IP Telephony and Phones

call manager 8.6.2.21900-5H323 voicegateway.callflow:  pstn user->h323vg->ccm manager->sccpip phoneHi all,     all inbound calls uses the above call flow,  1 out of every 6 calls fails with no voice. Brief description of the issue: pstn user can hear...

I have external ringers connected to VG224's for VOIP phones in our shops.  I have them configured and they work as they should for a while, but after a month or two it appears to blow up the port on the VG it is attached to.  I am thinking it might ...

I met  problem when FXO port on cisco router can`t get disconnect messages ,because of it cisco ip phone remains ringing.When dialing from ip phone ,it begins to call after 15-20 seconds.I have the following topology:PSTN gives  phone connection thro...

Hi,I have a line group with 3 DN's that are in Circular Algorithm. These 3 dn's are set like for 1st dn will ring for 3 time and it will route to 2nd dn and same way after 3 rings it goes to 3rd DN. Now the issue is, if the 3rd dn is also not answer ...

Hi,We had one PRI with 1000 DID's and we took one more with 500 DID.First PRI Range 87875XXX (87875000 to 87875999) terminated on Gateway1 (MGCP).Second PRI Range is 87872XXX (87872000 to 87872499) terminated on Gateway2.(MGCP).In Route Group have ad...

When adding and MGCP analog port (FXS) it does NOT increase license consumption. It means that analog MGCP port don't need CUCM licenses? Thanks -Alex

I am not getting any Power over Internet for my Ciso IP phone connected to port 37 of the switch.  I enabled CDP and ran show power inline g0/37 and received back Inline power not supported. Is it that the IOS is not licensed for PoE or what?  Could ...

good moring,i've a callamanager 8.6.All works wel except a  vg224 mgcp.The vg is correctly registerd on cucm. I've connected an analogic phon on one fxs port on this gateway and after I've configured  the line.The problem is: if from a phone connecte...

Hi,can anyone explain me how to use the following setup:- Cisco CME 9.1- IPPhone 8961, 9971, 6921 all connected via SIP- Extension MobilityHow can i use the Cisco TSP on my Windows 7 PC to dial via Outlook and so on?Kind regardsAndre Lahl

How is it possible to get a Cisco UC Conference phone (CP-8831-BASE-S) to work with Call Manager version 4.2? Or is it even possible? Any help is appreciated.

we have a Cisco CME version 10. when we dial a number from our sip 7821 phones or phone off our ATA187's there is a delay before it does anything. this is for internal and external calling. this is not and issue with out SCCP phones.This is what they...

I have Polycom IP5000 phones running UC software 4.1.1 which do not stay registered with CUCM 9.1 for more than couple of seconds, I created digest user with username matching the DN of the phone, the phone registers for few seconds but then unregist...

Hi All, Appreciated if someone could help on the issue, as how to divert/forward the incoming call(external) from one extension 200 to another IP phone extension 202. The extension 200 physical phone is not present that y it is said unavailable and d...

Hello,I'm having problems with LPCOR in a CME 10 with SIP Phones 3905 and 4 FXO connected to PSTN analog lines. I have 14 users that can make calls to local numbers and long distance numbers. The onother users can only make calls between extensions. ...