Altigen MAXCS 7.5 New Features Guide Manual de usuario descargar pdf (Pagina 16)

MaxCS 7.5 New Features Guide Page 16 of 22

• Improved system performance, because no MIPS is required for codec processing

• Improved voice quality, because no distortion is introduced by additional compressed codecs

• Reduced voice latency, because it eliminates the delay introduced by codec and jitter buffer processing

In addition to benefits to direct calls, pass-through applies during call recording, silent monitoring, and coaching.

Pass-through is enabled by default. To disable it, modify the <PacketForward> statement in this file:

..\Altiserv\SP\HMP\HMPSP.xml

The system will reset the HMCP board so that the setting can take effect.

Notes:

• RTP headers are reconstructed before forwarding the packets to the target channel

• Allow SRTP enabled on one leg and disabled on another

• Require encryption/decryption processing if SRTP is enabled

• No Media pass-through support for playing and conference media streams

Conditions Not Supported

Media pass-through cannot support all conditions in the HMCP system, even if both connected channels are using

same codec. The following MAXCS features do not supported media pass-through:

• Call playing: The trunk call playing must use encoder and decoder on RTP channel

• Conference calls – All RTP channels in a conference bridge must be encoded and decoded voice

T.38 Pass-through

T.38 is a standard for real-time fax transmission over IP networks. T.38 Pass-through relays two T.38 sessions

between the SIP trunk and MAXCS and MAXCS gateway.

• T.38 pass-through is not supported on hardware chassis deployments

• T.38 pass-through is supported only on systems using AltiGen-provided SIP trunks

• T.38 pass-through is supported on these ATA devices: AudioCodes MP-202, MP-11x, and MP-124

See the next two sections for enabling FoIP for extensions and In Call routing.

Fax-over-IP (FoIP) Extensions

Release 7.5 supports Fax-over-IP (FoIP), leveraging T-38 pass-through. Both voice calls and fax calls can be made

through a FoIP extension; both incoming and outgoing calls on the extension will use G.711 codec.

Fax extension-to-extension is supported; the SIP endpoints must be a supported ATA device.

Limited FoIP extension parameters are supported:

• First/Last Name, Password, Description, Department

• DID Number, Transmitted Caller ID, E911 CID

• IP Extension parameters, except Enable Fallback to Mobile Extension

• Out Call Restrictions

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