IP Telephony and Phones

Hello,We currently have 2- Cisco CUSP 10.2 and we have notification that the product is EOL with no replacement. Does anyone have a work around to remove the CUSP or equipment to replace the CUSP?  Let me know if you have any questions. I sent config...

Hello,I have an ISR 2911 with the IOS 15.3(3)M5. This gateway is configured to allow SIP Phones to register in case of a CUCM failure using the eSRST mode.Here is the configuration:voice register global mode esrst system message "Mode SRST" max-dn 20...

Hello all. We started having issues with outbound calls with a SIP provider. This below is the call flow: CUCM -> SIP Trunk -> Voice gateway -> SIP Trunk -> Provider On the voice gateway, I'm getting a disconnect cause=47. Viewing the logs, it see...

Hi,I am trying to find the best way for an Internet Subscriber to set her/his Voice Greeting.Our system is Cisco Unity 7!!Thanks-B  

So i was given some new 6945 phones to add to our existing phones in the router ISR 4331 with"Cisco IOS XE Software, Version 03.15.03.S - Standard Support Release" ,"Cisco IOS Software, ISR Software (X86_64_LINUX_IOSD-UNIVERSALK9-M), Version 15.5(2)S...

Hi, I have two CUCM in my lab. I configured one of them as CL1, and the other one as CL2 for EMCC. I followed page below for configuration. When I tried to log into phone which configured in CL2 with an EM user, i got an error like this "that - phone...

I am configuring dial-peer targets as a group using voice class server-group.   I am also trying to monitor the status of the targets with the voice class sip-options-keepalive option for all applicable dial peers. When I check the status of the dial...

I am running a CME 12.0 system and I have a Plantronics HS-50 headset with the APC-42 module to control answering and hanging up.  The answering works fine as long as the HEADSET light on the phone is not lit.    However, when the HEADSET light IS ON...

is this topology is right, or i have to change it based on this:    

Hello - I have a Customer with two BE6Ms running 12.5 that we want to upgrade to 15. How do we handle the required ESXi embedded hypervisor license upgrade to ESXi 7?  Is that version upgrade covered under SMARTnet?   Thanks!

I am trying to send a SIP REGISTER and it fails with 580.I cannot find out how to determine what is being denied. ie: what i am sending wrong that could result in a 580is there a way in CUCM to find in a  log file somewhere what might be wrong with t...

I have this configuration :controller E1 0/1/1shutdownframing no-crc4ds0-group 0 timeslots 1-15,17-30 type r2-digital r2-compelled anicas-custom 0country telmexcategory 2answer-signal group-b 1dnis-digits min 1 max 4dnis-completegroupa-callerid-end W...