Collaboration Knowledge Base

Fax passthrough is the transportation of fax communications over an IP network using a low compression codec like G.711. Fax passthrough occurs using one of two methods on Cisco voice gateways, NSE-based passthrough or protocol-based pass-through. Th...

Here is a listing of the basic T.30 message timers for G3 faxing. These  timers are used in error recovery and to make sure that the fax transaction  never gets stuck in a hung state. In calling scenarios involving international  connections or satel...

Fax machines may be capable of a few different modulations, and within each  of these modulations there are different speeds. Here are the common modulations  that are used in G3 fax calls.Common Modulations Used in G3 Fax CallsITU Standard Speeds (b...

  Question I am using Cisco Unity version 5.0 Build 5.0(1) that stores voice mails in the users' Microsoft Exchange 2007 mailbox. When users log into their voice mailboxes and listen to voice mails first, they are then taken to start listening to e-m...

   Steps for NTP Synchronization in Meeting Place Express      Login to MPE system as mpxadmin then switch to root user using su -     Step 1:           Stop the Meetingplace services with command: /opt/cisco/meetingplace_express/bin/mpx_sys stop    ...

Cisco utilizes proprietary NSEs or Named Signaling Events to handle  switchovers for a variety of different transport methods, especially for FoIP.  NSE messages are sent inband using an existing voice RTP stream. All NSE packets  use an RTP payload ...

Introduction Unified IS (CUIS) includes Unified Intelligence Center, which is the new reporting platform for the Cisco Unified Contact Center environment. With Unified IC, it is possible to generate reports from either the Unified ICM/CCE 7.5 or the ...

General FoIP Information General Fax Tech Tips and FAQ'sPassthroughRelayT.37 Store-and-Forward FaxFax Servers       Welcome to the Cisco Fax Wiki   A repository and one-stop location for everything related to Fax over IP (FoIP) and Cisco voice produ...

DescriptionAdvanced Multi-Band Excitation (AMBE)Complete DefinitionAdvanced Multi-Band Excitation (AMBE) is a very powerful proprietary speech  coding standard developed by Digital Voice Systems, Inc..AMBE operates at very low bitrates of between 200...

DescriptionImproved Multi-Band Excitation (IMBE)Complete DefinitionImproved Multi-Band Excitation (IMBE) is a proprietary vocoder developed by  Digital Voice Systems, Inc. (DVSI). It is the predecessor of their Advanced  Multi-Band Excitation (AMBE)....

      The term "passthrough" can be very confusing when it comes to discussing it as a fax transport method. In its most general sense the term "passthrough" or "fax passthrough" simply refers to passing fax calls over an IP network using the G.711 ...

      G3 faxing is a digital process. Therefore, before transmission, the page information is digitized by the fax device’s scanner. First, the page is divided into horizontal lines known as scan lines. The scanner then moves across each line and ba...

DescriptionVector Sum Excited Linear Prediction (VSELP)Complete DefinitionVector Sum Excited Linear Prediction (VSELP) is a speech coding method used  in the IS-54 standard. This codec was used in early TDMA cell phones in the  United States. It was ...

DescriptionLow Delay Code Excited Linear Prediction (LD-CELP)Complete DefinitionLow Delay Code Excited Linear Prediction (LD-CELP), Delay of the codec is  only 5 samples (0.625 ms). The linear prediction is calculated backwards with a  50th order LPC...

  Determine who currently uses the existing legacy voicemail system. Learn how they use it so you can properly configure Unity to perform the same way.  One way to do accomlish this is to send questionaires or conduct a web based survey. Ask the user...