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In order for VOIP Phone System to communicate successfully with VoIP providers and Remote Extensions, your firewall/router device must be configured for SIP operation. To maximize your chances o... |
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A Codec converts an analog signal to a digital one for transmission over a data network. The following Codecs are in use today
GSM - 13 Kbps (full rate), 20ms frame size
iLBC - 15Kbps,20ms frame s... |
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ID - Direct Inward Dialing (also called DDI in Europe) is a feature offered by telephone companies for use with their customers' PBX system, whereby the telephone company (telco) allocates a range of ... |
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ENUM stands for Telephone Number Mapping. Behind this ‘abbreviation’ hides a great idea: To be reachable anywhere in the world with the same number – and via the best... |
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FAX was designed for analog networks, and does not travel well over a VOIP network. The reason for this is that FAX communication uses the signal in a different way to regular voice co... |
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What do the terms FXS and FXO mean?
FXS and FXO are the name of ports used by Analog phone lines (also known as POTS - Plain Old Telephone Service) or phones.
FXS - Forei... |
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To set up DHCP option 156 for ShoreTel telephones:Step 1 Open DHCP Manager on your Microsoft DHCP server.Step 2 Right-click the DHCP server, and select Set pre-defined options.NOTE If your organizatio... |
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(1) Call Manager Configuration Steps to accomplish above:A - Log into CUCM and locate user to verify user is in Active Directory;B - In UCM go to User Manager, End UserC - Create A Mobility Profile (C... |
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Here is a custom made guide for using translation rules/profiles. I have explained the concepts of the rules/profiles and then given some common uses of them.
TRANSLATION RULES/PROFILES
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After Setup of Teleconference VTS Server; Version 4 |
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MP Setup = (1) CUCM, Redhat Linux 6, 80 GB, 4GB Ram, 2 processors / (2) IMP only needs 2GB memory&nb... |
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