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Page 576 / 998 Scroll up to view Page 571 - 575
VoIP MGCP
VOIP MGCP command reference
iMG/RG Software Reference Manual (Voice Service)
6-12
Description
This command enables/disables the MGCP piggy-back feature as described in RFC3435
(3.5.5 Piggy backing). This feature is enabled by default. This command allow the user to
disable it.
Example
--> voip mgcp protocol set piggyback disable
6.1.7.2.5 VOIP MGCP PROTOCOL SET PROFILE
Syntax
VOIP MGCP PROTOCOL SET PROFILE <profile>
Description
This command sets specific customer MGCP call agent profile. This command is used to
fix inter operability constraints when the MGCP module has to work with call agent that
could differ from a standard implementation.
Options
The following table gives the range of values for each option that can be specified with
this command and a default value (if applicable).
Example
--> voip mgcp protocol set profile ags
6.1.7.2.6 VOIP MGCP PROTOCOL SET REFRESH-TIME
Syntax
VOIP MGCP PROTOCOL SET REFRESH-TIME <sec>
Description
This command sets the refresh time used by the heartbeat feature. In other words, this
command sets the seconds between two successive heartbeat messages. In some profiles
the heartbeat messages is sent if there are not activity (no other MGCP messages) sent/
received by the endpoint.
Options
The following table gives the range of values for each option that can be specified with
this command and a default value (if applicable).
Example
--> voip mgcp protocol set refresh-time 30
Option
Description
Default Value
profile
The specific customer call-agent type. Possible values are:
ags, audiocodes, ciscobts, gb, huawei, marconi, metaswitch,
ncs, netcentrex, nuera, siemens, sphere, sttnortel and none.
none
Option
Description
Default Value
sec
Number of seconds between two heartbeat message.
none
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VOIP MGCP command reference
VoIP MGCP
6-13
iMG/RG Software Reference Manual (Voice Service)
6.1.7.2.7 VOIP MGCP PROTOCOL SET ROUNDTRIPTIME
Syntax
VOIP MGCP PROTOCOL SET ROUNDTRIPTIME <msec>
Description
This command sets the maximum time out that an MGCP message needs to be acknowl-
edged by the call agent before the same message is retrasmitted.
Options
The following table gives the range of values for each option that can be specified with
this command and a default value (if applicable).
Example
--> voip mgcp protocol set roundtriptime 1500
6.1.7.2.8 VOIP MGCP PROTOCOL SHOW
Syntax
VOIP MGCP PROTOCOL SHOW [<name>]
Description
This command displays basic MGCP module configuration parameters set by the VOIP
MGCP PROTOCOL ENABLE command.
Options
The following table gives the range of values for each option, which can be specified with
this command, and a default value (if applicable).
Example
--> voip mgcp protocol show
Gateway base protocol: MGCP
---------------------------------------------------------
Profile:
sphere
Supported packages:
Basic, Generic Media, DTMF, Line
Piggy-Back:
Enable
Network interface:
ip0
Default port:
2427
NAT:
None
HeartBeat:
Enable
Option
Description
Default Value
msec
Maximum number of milliseconds that the system
wait for an answer from the call agent.
1000
Option
Description
Default Value
name
An existing access port. To display the existing
access port names, use the VOIP EP LIST com-
mand.
N/A
Page 578 / 998
VoIP MGCP
VOIP MGCP command reference
iMG/RG Software Reference Manual (Voice Service)
6-14
HeartBeat Refresh Time:
15
Round-trip time:
10000 msecs.
Maximum re-transmition time:
30 secs.
Network loss rate:
0 %
TEL1 Syntax Name:
aaln/0@[$IP]
TEL2 Syntax Name:
aaln/1@[$IP]
Example
-> voip mgcp protocol show tel1
Gateway base protocol: MGCP end-point tel1
---------------------------------------------------------
Operational state:
Normal
Notified call-agent:
None
Digit-map:
(default)
x.T
(current)
x
See also
VOIP MGCP PROTOCOL ENABLE
6.1.7.2.9 VOIP MGCP CALLAGENT CREATE
Syntax
OIP MGCP CALLAGENT CREATE <name> CONTACT <host>
Description
This command set the call agent address. More than one call agent can be defined to
increase system robustness in case of server failure.
Options
The following table gives the range of values for each option that can be specified with
this command and a default value (if applicable).
Example
--> voip mgcp callagent create default contact 192.168.102.3
See also
VOIP MGCP CALLAGENT LIST
VOIP MGCP CALLAGENT DELETE
Option
Description
Default Value
name
An arbitrary name that identifies the call agent. The
name must not be present already. The name can be a
maximum of 16 characters long; cannot start with a digit
and cannot contain dots '.' or slash symbols '/'.
N/A
host
The hostname or IPv4 address of the call agent. Host can
be a maximum of 256 chars long (when using hostname
format).
N/A
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VOIP MGCP command reference
VoIP MGCP
6-15
iMG/RG Software Reference Manual (Voice Service)
6.1.7.2.10 VOIP MGCP CALLAGENT SET MASTER
Syntax
VOIP MGCP CALLAGENT SET <name> MASTER
Description
This command set an existing call agent as Master. The Master call agent is the call agent
that is attempted to be used firstly. In case of failure of the communication with it, the
other call agent in the list will be used.
Example
--> voip mgcp callagent set default master
See also
VOIP MGCP CALLAGENT LIST
VOIP MGCP CALLAGENT DELETE
6.1.7.2.11 VOIP MGCP CALLAGENT DELETE
Syntax
VOIP MGCP CALLAGENT DELETE <name>
Description
This command deletes a previously defined call agent created using the VOIP MGCP
CALLAGENT CREATE command.
To show the list of existing CALLAGENT entries, use the VOIP MGCP CALLAGENT
LIST command.
Options
The following table gives the range of values for each option that can be specified with
this command and a default value (if applicable).
Example
--> voip mgcp callagent delete default
See also
VOIP MGCP CALLAGENT CREATE
VOIP MGCP CALLAGENT LIST
6.1.7.2.12 VOIP MGCP CALLAGENT LIST
Syntax
VOIP MGCP CALLAGENT LIST
Description
This command lists information about CALLAGENT entries added using the VOIP MGCP
CALLAGENT CREATE command.
The following information is displayed:
Call agent ID numbers
Option
Description
Default Value
name
A name (or the ID value) that identifies an existing call
agent. To display the existing calla agent entries, use the
VOIP MGCP CALLAGENT LIST command.
N/A
Page 580 / 998
VoIP SIP
iMG SIP Overview
iMG/RG Software Reference Manual (Voice Service)
6-16
Call agent names
Note:
If a call agent name is longer than 32 chars, the name is shown in a short format (only the initial part of
the name is displayed).
Example
--> voip sip fdb list
Gateway call-agents:
ID
|
Name
|
Master
|
Contact
-----|------------|----------|---------------------
1 | default
| true
*
| 172.39.1.201
---------------------------------------------------
See also
VOIP MGCP CALLAGENT CREATE
VOIP MGCP CALLAGENT SHOW
6.2
VoIP SIP
This chapter describes how to configure the iMG for connection to a VoIP network using the SIP protocol.
6.2.1
iMG SIP Overview
6.2.1.1 iMG call processes
The iMG can communicate with the following devices:
•
Another VoIP terminal on the IP network, such as another iMG.
•
Any LAN SIP endpoint on the IP network, for instance:
•
A Soft Phone
•
An IP phone directly connected to the IP network
6.2.1.2 Calls involving another terminal
The following example shown in
Figure 6-1
illustrates how to reach a phone or fax on another iMG terminal.

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