The Cisco High-Density Packet Voice Digital Signal Processor (DSP) Module (PVDM2) enables Cisco Integrated Services Routers to provide high-density voice connectivity, conferencing, and transcoding capabilities in Cisco IP Communications solutions. PVDM stands for packet voice DSP module; it is the Cisco product name for the module that provides digital signal processing resources to a system. [...]
Archive for the ‘VG224’ Category
DSP, PVDM & Media Resources
Posted: August 25, 2010 in Call Manager - CUCM, Gateways, H323, Media Resources, MGCP, Miscellaneous, SIP, VG224Tags: Codec Complexity Flex mode, Conference DSP, DSP Resources PVDM, PVDM2-16, PVDM2-32, PVDM2-48, PVDM2-64, PVDM2-8, Transcoding DSP
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Scanario#21 – VG224 Fax Issues
Posted: August 17, 2010 in Real World Scenarios, VG224Tags: Incomplete fax VG224 MGCP, network-clock-select, slips seconds fax issues, VG224 Fax header only
Customer reported a fault that several fax machines which were working fine last week have suddenly stopped working. All they were getting for incoming faxes was just the header. No content of the actual fax. Rule of thumb – anything which was working before and not working now means something must have changed. I jumped [...]
Scenario#1 – VG224 – Strange DTMF behaviour
Posted: June 25, 2010 in Real World Scenarios, VG224Tags: CSCsg85602, VG224 DTMF Tone leakage Bug
Problem description: One of my customer reported an issue with their VG224. All Polycom conference phones connected to the Vg224 were facing an strange issue of DTMF tones not recognized by PSTN. Users trying to get into a MeetMe conference were having tough time as their pin was not getting recognised. Analysis & Observations: This [...]
