Voice over IP

Hello Everyone, I will be glad if anyone can help me with an answer to my question,I have a call-manger set up  and already working but I want to have another call-manager  as a standby for redundancy purpose just in case my primary call-manager fail...

Folks, I have a Sangoma FreePBX and it does state that a 7975 has been tested and it works. I am trying to either SSH into the phone, or get into the interface so I can put in the IP and TFTP server but not having any success. Anyone out there willi...

Greetings everyone, I have a particular customer who is requesting that when a inbound call is received that it stays on the SPA 303 phones screen for an extended amount of time after hangup so they can copy the inbound call into a spread sheet.  T...

                  Hello everyone, having a problem here that only happens on a 3900 router running a c3900-universalk9-mz.SPA.151-4.M4.bin IOS.  We have a 2900 router and tried to duplicate the problem but the bindings functioned as they should, only...

Hi all, Am getting the code temporary failure (41) and a busy tone rings. I have been having this issue for the last one week, Whats the issue and how can I solve it?

When configuring BLF on a VOIP pbx (in the cloud) it doesn't show on the Phone. Is there a command on the router (881-K9) that will allow these packets ?

Our customer has asked us to provide GPON OLT and ONT and SBC session border controller for his new residential project of deploying triple play services of voip, ip tv, internet services via FTTH .   So I went through the datasheet for same on Cisco...

Can anyone please share their knowledge and , experience regarding Cisco gpon olt and ont ordering, deployment for customer. What are the main points to be gathered from customer regarding this before ordering&deployment. 

Hii all, I am using 2 CCM 5.1( MCS7835 server)in different cluster and 7906G IP phone. some IP Phones registered in 1st cluster and some ip phones registered in 2nd cluster. Now when I am going to generate the call report by CDR, it is displayi...

Hello, I have a Cisco 1900 series which I use as footbridge SDSL for the voice over IP. I have dish ready(in position) a static nat towards my waiter(server) of voice(vote), but the problem it is on some calls(appeals) I do not receive the flow RTP c...

Hi All, During audit in my company network scan revealed lot of open ports on Cisco AS5400XM device. These are few TCP ranges: 2216-23832432-27552416-43834432-47556216-63836432-67559216-93839432-9755 We have few devices on on each device range is s...

Issue: users report full voice mail boxes- no messages can be left.  they log into web interface and messages are all showing under deleted. They empty deleted and issue is resolved. Is this normal? Version: Cisco Unity Connection version: 10.5.2.10...

Is there a Cisco document that gives a visual reference to the "MIXS" associated with the physical outputs of the sx80?