Partition: Quick Definition
A partition specifies a grouping of Directory Numbers (DNs) .
SIP CUCM
Since Call Manager 4.X, SIP Trunks can be used for connectivity with SIP Networks and devices via a SIP Proxy Servers.
A SIP Proxy can handle SIP Request , Authentication and Authorization of users and will implement policies and features
Gatekeeper Basic Configuration
Here is a basic definition for the gatekeeper config:
!
gatekeeperzone local oks ksiazek.be 10.0.0.1 1719
zone prefix oks 1234*
gw-type-prefix 1#* default-technology
bandwidth total zone oks 1024
bandwidth session zone oks 128
no shutdown
!
The zone local defines the Gatekeeper’s name , the domain to which it belongs and its IP Address and the TCP port used.
The zone prefix specifies the Gatekeeper’s name and the prefix associated within the zone list.
The gw-type-prefix will help to route calls if the called number doesn’t correspond to an E.164 number.
The bandwidth total zone defines the maximum aggregate bandwidth that you can use within this specific zone.
The bandwidth session zone defines the maximum bandwidth available for a session in the zone ( so this is the bandwidth for a call)
No shut activates the Gatekeeper’ configuration.
Connection Monitor Duration
Connection Monitor Duration is the lenght of time before a phone which is using SRST fails back to a Call Manager after it has become available again.
The default value is 120 seconds. So if you want that your SRST phones re-homes quicker after a failover, then you have to decrease this timeout.
See also this post about SRST
Device Pool
A Device Pool is a simple method of configuring the same parameters for a set of devices.Once you assign a device to a Device Pool, it inherits those parameters configured for the Device Pool. The seven mandatory settings are :
- Call Manager Group
- Date/Time Group
- Region
- Softkey Template
- SRST Reference
- MLPP Indication
- MLPP Preemption
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