About Mohamed H. Abdelmotaleb

Mohamed H. Abdelmotaleb · 08-21-2025

I have Expressway Edge Cluster consists from three nodes, and all the three nodes use the same server certificate signed by the public CA, this server certificate is about to expire, I can't find clear document for certificate renewal in the clusteri...

Mohamed H. Abdelmotaleb · 09-18-2023

I have some confusion regarding MRA or sip proxy registration capacity in Expressway in SRND 14 https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/uc_system/design/guides/UCgoList.htmlthey mentioned small ova node supports up to 2500 proxy registra...

Mohamed H. Abdelmotaleb · 05-14-2020

I have CUCM 11.5 cluster , I have partition contains extensions 15XX, 63XX, 11XX , I face strange issue there is a timeout when any extension from 11XX try to dial extension from the same range 11XX, for examplewhen 1188 try to dial 1192 there is an ...

Mohamed H. Abdelmotaleb · 04-13-2020

Good day, I have a Cisco unity connection cluster consists from one publisher and one subscriber, before when I installed the OVF of CUC, I choose the deployment configuration 1000 users-1 vCPU, but now due to the business needs, I have to increase t...

Mohamed H. Abdelmotaleb · 02-01-2020

Hi,before days, I had a strange issue at group of phones Cisco 7821 sip phones, this group is under device pool, as I have many branches are registering to one CUCM 11.5 cluster, each branch has its own device pool, the problem was the phones of one ...

Mohamed H. Abdelmotaleb · 12-11-2025

@Ahm123 try to use the immediate command " connection plar opx immediate" instead of "connection plar opx" only

Mohamed H. Abdelmotaleb · 12-11-2025

I believe you need to check with the network team since the subnet 10.123.1.23 is not reaching to CUCM subnet, I believe the shown IP address 100.100.100.123 at CUCM is a Natted IP address since the connection is through GRE tunnel, check with the ne...

Mohamed H. Abdelmotaleb · 12-04-2025

Since you will not go for the calendar integration , no need to do direct integration between IMP and Exchange, what you will do only LDAP integration between CUCM and AD servers, System team update AD users with correct phone extension , at the IM...

Mohamed H. Abdelmotaleb · 11-30-2025

The host or the control hub administrator can delete this meeting, since the host already left, the administrator has to delete her meeting from the control hub.

Mohamed H. Abdelmotaleb · 11-30-2025

1- Presence is working for both IMP and Exchange2- LDAP sync at CUCM is working, and users have correct contact information configured at work and mobile (if you need to add their mobile numbers) fields 3- users have CSF configured at CUCM and Cisc...

Member Since	‎10-23-2016 04:17 AM
Date Last Visited	‎01-01-2026 07:34 PM
Posts	174
Total Helpful Votes Received	43

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User Activity

Expressway Edge cluster server certificate renewal

Maximum capacity for MRA or SIP proxy registration in Expressway

Interdigit timeout in the same extension numbers range

Increase the users capacity in Cisco Unity connection

Does the region configuration affect on the phones registerantion?

Re: Hearing ringing before reaching unity IVR

Re: Jabber on Chromebooks have a different IP address

Re: Cisco CUCM Jabber with Outlook

Re: Deleted recurring meeting still show on dashboard and reminders

Re: Cisco CUCM Jabber with Outlook