10-05-2007 03:06 AM - edited 03-15-2019 06:49 AM
i would like to ask what is the different using mgcp or sccp control vg224. we will install analog phone, fax and modem in vg224. so i would like to know which protocol use.
10-05-2007 05:00 AM
Hi Mike,
I think that you would want to use SCCP (not MGCP),due to the fact that SCCP has support for many common Telephony features;
Check out Table 1 from this VG224 doc;
http://www.cisco.com/en/US/products/hw/gatecont/ps2250/products_data_sheet09186a00801d87f6.html
This is also an excellent doc;
SCCP Controlled Analog (FXS) Ports with Supplementary Features in Cisco IOS Gateways
http://www.cisco.com/en/US/products/ps6441/products_feature_guide09186a0080483a76.html
10-07-2007 11:13 AM
My rule of thumb here is the following:
- if you require supplementary services for analog phones go with SCCP
- if most of your devices are faxes go with H.323 or MGCP, as SCCP does not work well with faxes, the one drawback to H.323 is lack of secondary dialtone, and MGCP is lack survivability
HTH,
Chris
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