DGW-L20X User Manual
OPENVOX
59
Table 4-4-6 Instruction of Quality of Service
Options
Definition
Tos
Type of service
Cos
Class of service
4.5 Advanced fax setting
Table 4-5-1 Instruction of Quality of Fax Settings
Options
Definition
Udptl Start
DPTL start configure addresses.
Udptl End
DPTL end configure addresses.
Udptl Checksums
Whether to enable or disable UDP checksums on UDPTL traffic.
Udptl FEC Entries
The number of error correction entries in a UDPTL packet.
Udptl FEC Span
The span over which parity is calculated for FEC in a UDPTL packet.
Use Even Ports
Some VoIP providers will only accept an offer with an even-numbered
UDPTL port. Set this option so that Asterisk will only attempt to use
even-numbered ports when negotiating T.38. Default is no.
Maximum
Transmission Rate
Maximum Transmission Rate.
Minimum
Transmission Rate
Minimum Transmission Rate.
Send Progress/Status Manager events with ‘call’ class permissions will receive events indicating