IP Telephony and Phones

The question is:  does the same make/model router support a different number of phones if it is configured as simply a CUCME device versus configured as as SRST fallback device? Different Cisco documents seem to give different supported numbers - ind...

Hello Pros, I need to run a test call which needs to least at least 8 hours.  It looks like my SBC is terminâting the call after about 60 minutes by seding a Bye message. In CUCM the Max Call Duration is set to 720 mins but the call gets disconnected...

Hello, because of lack of network plug sockets in a room we have to connect a VoIP Telephone (OpenStage40) and an Air-Cap3502i (Wlan Access Point) in series. Following configuration is intended: WS-C4506-E -> NW-Plug -> IN/VoIP-Telephone/OUT -> PWRIN...

Can a SIP trunk be configured on a Cisco Voice Gateway without enabling CUBE or require CUBE licensing?

Where can I find the number of hardware ingress and egress queues supported by switches?  I am looking to document based off of model so that we can determine what we will need to purchase. Looking to be directed to where I can find this information ...

HiIs it possible to acheive both Device mobiltiy feature and Logical partitioning feature simultaneously.The Customer requirement is that he want to implement Logical partition with different location in  the same cluster and in the same time want to...

Hello,I have a customer with a CUCM 8.6 cluster that supports a number of countries including India.They have the Logical Partitioing feature enabled to make the system comply with Indian regulations for telecoms that forbid toll bypass etc.They have...

I need to enable the web admin on my 8821 Wireless IP Phone. Can someone help?

Hi All,   I am not able to view or schedule the Audit log in RTMT. Settings are correct. I restarted the Audit-related services. I am attaching the error. Please help

I have an environment mixed of 3750X and 3850 switches. Connected to those switches is either hard phones (6945, 7841, 7962, 8831, 7937) or IP Communicator Softphones. We are trying to get QoS working as our pakckets continue to be marked as BE inste...

when we pick up the ip phone and try to call remote branch office number, it is always busy, there is no network connectivity problem, may i know the steps to analyze from voice gateway, cucm and sip trunk?   how to troubleshoot sip trunk problem? th...

I have two 7975G phones connected to an asterisk server.  The phones can make calls.  I was wondering if the phones support the RFC 3428 for Instant Messaging.  So if a remote user sends a text message to one of the 7975G phones, that the phone would...

We are looking to switch our internal IM messenger solution and telephony to a Cisco client. I have seen Jabber and Cisco Spark, looks like Spark seems to be a newer option? Which one should I choose? Requirements: Telephony services (PSTN)DID Servic...