About Mustain

Mustain · 01-12-2023

Hi everyone, does anyone have experience with integrating CUCM into Verint recording systems? I have a strange problem with the RTP port, from CUCM <> Verint I allow 16384 - 32767 / UDP but I don't know why when I try to capture traffic from FW, it s...

Mustain · 04-18-2021

Hello all,Please help, maybe here someone once had the same problem. Currently, when I try to make a call to the Agent via UCCX, the agent can receive the call, but they can't transfer the call to another extension, the transfer button on IP Phone do...

Mustain · 03-22-2021

Hi Good People, Hope someone here can help me solve my problem. I have problems with the process of incoming calls (FAX and Voice), but for outgoing calls it is normal. So, the condition is when an incoming call is received with dial-peer 200, for ex...

Mustain · 12-17-2020

Hi Good People,Please help me to solve my problem. I have a CUBE that works fine for Voice traffic, and now I'm configuring the T38 protocol to enable the fax service. The problem is FAX can only send/receive faxes if the others are running on SIP to...

Mustain · 09-25-2020

Hi Everyone, Please help me to solve the problem with the specific CUCM Device Pool unable to make calls to the NEC PBX. I have checked the firewall and network, but everything is clean. If I make a call with another device pool, it works fine. I hav...

Mustain · 01-13-2023

Hi @b.winter Understood, thank you for your explanation.

Mustain · 03-04-2022

Already opened a dev support case with an answer similar to yours here. And still trying to figure out the best way to solve this kind of problem.

Mustain · 03-01-2022

Hi @dstaudt I had the same problem with this, and in the Device Pool, we already had all the CUCM servers. But, the Jabber SDK doesn't register to the secondary server. I have two CUCM clusters, with the same domain, for example, ABC.co.id. The probl...

Mustain · 04-19-2021

Thank you for your time. So the call flow is basically like this below. ITSP> CUBE -> CUCM -> UCCX -> CUBE -> CUCM. The call is received by the agent, and then this agent tries to transfer the call to an extension in the same cluster. The problem occ...

Mustain · 04-18-2021

Problem solved, I changed the DP with a certain pattern. Thank you for saving my day.

Member Since	‎10-24-2017 09:02 PM
Date Last Visited	‎08-11-2025 01:13 AM
Posts	36
Total Helpful Votes Received	20

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User Activity

Strange RTP port range from Cisco to recording system

UCCX Agent Cannot Transfer Calls

CUBE Dial-Peer Looping Prevention

SIP Incoming/Outgoing Fax Not Working

Failed Call to NEC PBX from Cisco

Re: Strange RTP port range from Cisco to recording system

Re: Jabber Web SDK Discover Failover

Re: Jabber Web SDK Discover Failover

Re: UCCX Agent Cannot Transfer Calls

Re: CUBE Dial-Peer Looping Prevention