cisco资深专家在线解决全世界用户voip问题集锦－连载一

来源：ChinaITLab.com 搜索整理 作者： 出处：Vlan9.com 2007-07-30 进入论坛

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　　1.........
　　Frame slips on T1 controller (7206 NPE 200)
　　pgpuro - CUSTOMER SUPPORT ENGINEER, DATACRAFT INDIA LIMITED
　　
　　Aug 28, 2003, 11:06am PST
　　Hi,
　　I have VXC-2TE1+ port adapter in 7206 (NPE200) router. The Line is experiencing a lot of frameslips which seems to be a
　　
　　clocking problem.
　　Experienced the same problem in another 7206VXR (NPE G1) router. Issued the 'frame-clock-select' global command to resolve
　　
　　the problem on VXR router but the command is not supported on its not working on 7206 (NPE200).
　　Regs.,
　　Prasad.
　　Need to know an equivalent command to run on 7206 (NPE200). Any help?
　　
　　irisrios
　　
　　Sep 3, 2003, 9:19am PST
　　It is supposed to be there on all 7200 series routers. Are you missing something. Which IOS image are you using?
　　
　　
　　
　　
　　2.............
　　
　　Understanding different ATA 186 Models I1 - I2
　　jpatafio@optonline.net -
　　
　　Aug 28, 2003, 8:29am PST
　　Before ordering the ATA 186, I would like to know what the difference is in the 2 models.
　　Specifically 600 Ohn impedance vs complex impedance
　　
　　Ordering Information
　　
　　Table 2: Cisco ATA 186 Analog Telephone Adaptors Description Part Number
　　Cisco ATA 186 with 600 ohm impedance
　　ATA186-I1
　　
　　Cisco ATA 186 with complex impedance (270 ohm in series with 750 ohm and 150 NF in parallel)
　　ATA186-I2
　　
　　
　　irisrios
　　
　　Sep 3, 2003, 7:15am PST
　　The difference between these two is only the impedance. In some countries the telephone networks have many impedence values.
　　
　　Hence you need to match the impedence of your ATA 186 according to the region you are in. If it doesnt match, it may lead to
　　
　　poor echo cancellation performance.
　　
　　
　　
　　
　　3....................
　　
　　anonymous device configuration in CCM 3.3(2)
　　byim - CONSULTANT, TRAINING PARTNER PTE-HONG KONG
　　
　　Aug 28, 2003, 8:14am PST
　　Hi,
　　
　　I want to configurate gatekeeper in CCM3.32 but I cannot find the place to put anonymous device if I compare with previous
　　
　　version of 3.2. Also, I cannot associate the gatekeeper to the route pattern as well? Pls adv.
　　
　　
　　sbilgi
　　
　　Sep 3, 2003, 7:13am PST
　　I think the ability for putting an anonymous device is removed in 3.3. In Call Manager 3.3, the mechanism for installing an
　　
　　"anonymous device" has been completely replaced. There is no longer any place to create an "anonymous device" , rather there
　　
　　is a place to configure gatekeeper and then a new menu item to create intercluster trunks that are gatekeeper controlled.
　　
　　
　　4................
　　
　　SIP on 7905G
　　mkoch - Dipl.-Ing., GLOBAL KNOWLEDGE, CCIE
　　
　　Aug 28, 2003, 4:47am PST
　　Hi !
　　
　　I wonder where i can find the SIP image for the 7905G...
　　The documentation is available, but the software center still only shows the very old and buggy H.323 image...
　　
　　Thanks,
　　Michael
　　
　　
　　ivillegas
　　
　　Sep 3, 2003, 7:10am PST
　　You are right, the SIP image is not in the CCO. I heard it will be posted very soon. Keep checking the CCO link.
　　
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