Samsung OfficeServ 7030, Общее описание устройства

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VOICE MAIL
The OfficeServ 7030 voice mail/auto attendant is included with every OfficeServ 7030 system as a license fea-
ture. It is embedded in the main system program and provides up to 2 ports of voice mail processing. Because
it is embedded into the system it provides such features as one touch call record, answering machine emu-
lation, and voice mail box administration with interactive keyset displays.
See Unified Voicemail .
The OfficeServ 7030 system uses MGI channels (VoIP) at G.726 compression to communicate with the
embedded voice mail application. Stations can call forward to a voice mail. Keyset users can press one but-
ton to retrieve messages from the voice mail system. A Voice Mail Transfer key permits keyset users to easily
transfer a caller directly to an individual voice mail box without navigating through menus.
Two (2) port Auto Attendant is a standard feature on the OfficeServ 7030 system, but the two (2) ports can
be shared by voicemail which requires a license key to enable.
The embedded voicemail has 14 hours of voicemail storage space and supports up to 256 subscribers.
Note: The OfficeServ 7030 does not support 3rd party voice mail applications.
Voice Over Internet Protocol (VoIP)
The OfficeServ 7030 system is VoIP enabled and as such supports the following VoIP services:
1) SIP IP Trunking
2) IP Telephone Sets: OfficeServ SMT-i3105, SMT-i5200 Series, ITP-5100 Series, and OfficeServ Softphone.
These IP Keysets can be installed in the local office or in a remote office, home office with full feature
operation.
3) IP Networking: Connect up to 99 systems together over a managed IP network.
4) SIP Video Phone (H.264).
The embedded OfficeServ 7030 Media Gateway Interface (MGI) channels support 4 voice calls using VoIP
services per card over an IP network connection. The OfficeServ 7030 comes with 4 MGI channels built-in and
can be activated with the appropriate license key. A total of 4 MGI channels can be supported. The MGI-16
cannot be used in the OfficeServ 7030.
With VoIP certain compression standards have also been adopted to represent each second of voice with an
amount of bandwidth. The OfficeServ 7030 MGI utilizes G.711, G.729, G.729A or G.723 standards voice com-
pression codec’s. This allows for a selectable 64kbps (G711), 8Kbps (G729A) or 6.3Kbps (G723) bandwidth use
when preparing voice compression for IP transport. Compression is used to reduce the digitized voice into a
smaller bandwidth that can be carried in smaller packets. The VoIP gateway determines the compression
method for each call setup. There is also a certain amount of frame/packet overhead in each compression
channel. 64K of bandwidth can support 6~7 calls simultaneously. This can vary depending on efficiency fea-
tures like Silence Suppression and multiframe counts. Unlike switched networks, VoIP connections consist of
a sequence of numbered data packets. Since voice conversation is usually considered “real time” these pack-
ets need to be delivered in a consistent manner with minimal delay.
In any Ethernet environment, packet transfers are subject to delays and/or loss. If these delays are greater
than 200ms the voice quality will deteriorate. The Ethernet data traffic and network topology should be a
consideration when using VoIP. Network congestion will affect call quality in any VoIP application.
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