Time of Day Routing in CUCM

Time of Day routing allows for calls to be treated differently based on the time of day and day of week. This allows for things like automatically rerouting calls to a different destination when the company is closed, not allowing … Continue reading

Addressing Challenges Specific to Multi-Site Deployments

Deploying Unified Communications Manager to geographically diverse sites adds a number of challenges not experienced in single-site deployments. The primary new challenges are: Bandwidth usage and call quality over WAN links Availability during WAN outages Call routing to the PSTN, … Continue reading

Configuring Local Route Groups

Local Route Groups were introduced in CUCM 7 as a cleaner way to configure PSTN routing for multiple sites. Prior to Local Route Groups, the only way to route calls out a local gateway was to configure a partition for … Continue reading

Problems with MoH and Conferencing with Recording Profiles

On a UCM system I have worked on, we were running into problems with both Music on Hold and ad-hoc conferencing when a recording profile was applied to DNs. Music on Hold would not play, and conferences could not be … Continue reading

Blocking Calls by Caller ID in CUCM

Administrators of a phone system are sometimes called on to block calls coming from specific numbers, such as telemarketers or other harassing calls. Until Communications Manager 8.x, the only way to block incoming calls based on the calling number was … Continue reading

Configuring Users with Mobile Connect (Single Number Reach)

Mobile Connect is Cisco’s trade name for what is often called Single Number Reach, or SNR. It extends a call to a user’s desk phone out to up to ten other phones, such as home and cell phones. This allows … Continue reading