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Here can be set protocol parameters like slow start and fast start for H.323. Call start interwork allows translation between these modes. Protocol setting can changes for particular dial peer bey means of voice-class h323 commands
| No Format |
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voice class h323 500
call start fast
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Codec class
| No Format |
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voice class codec 200 codec preference 1 g711alaw codec preference 2 g711ulaw codec preference 3 gsmfr codec preference 4 g729r8 |
You can define sets of codecs with preferences and assign these sets to dial peers. Or you can directly assign codec in dial peer, but only one.
Dial peers
H.323 SIP dial peer that uses RAS (configured gatekeeper)configured sip-server.
| No Format |
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dial-peer voice 1211 voip destination-pattern 10.90........ voice-class codec 200 session protocol sipv2 session target rassip-server |
SIP dial peer that uses configured sip-serverroutes traffic to ip.
| No Format |
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dial-peer voice 211 voip destination-pattern 9091........ voice-class codec 200 session protocol sipv2 session target sip-server |
SIP UA setting
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ipv4:5.6.7.8
H.323 dial peer that uses RAS (configured gatekeeper).
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dial-peer voice 1 voip
destination-pattern 10.........
voice-class codec 200
session target ras
| No Format |
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H.323 dial peer that routes to another gw or endpoint
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dial-peer voice 1 voip
destination-pattern 11.........
voice-class codec 200
voice-class h323 500
session target ipv4:9.8.7.6
| No Format |
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Specific h323 class is configured to change some parameters.
*SIP UA settings*
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sip-ua
nat symmetric role passive
nat symmetric check-media-src
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sip-server
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dns:domain.dom
| No Format |
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Here is defined sip server (used in dial peers) and various sip parameters. |
Gatekeeper settings
interterface Loopback0
description MGMT Loopback
ip address 1.2.3.4 255.255.255.255
h323-gateway voip interface
h323-gateway voip id GK1 ipaddr 1.1.1.1 1718 priority 100
h323-gateway voip id GK2 ipaddr 1.1.1.2 1718
h323-gateway voip h323-id IP2IPGW
h323-gateway voip tech-prefix 1#
h323-gateway voip bind srcaddr 1.2.3.4
| No Format |
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Gatekeeper setting that for ras session target in dial peers with pramary and secondary gatekeeper. It is not necessary to configure it on Loopback interface.
OS specific help
N/A - There is only CISCO IOS
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