SipX MediaServer Functionality
From SIPfoundry sipx, The Open Source SIP PBX for Linux - Calivia
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[edit] sipX Media Server Features
sipX open source PBX Media server provides three built-in applications – auto attendant, IVR, and Voicemail – and the related administrative features below:
[edit] Auto Attendant
Auto Attendant is a set of VXML scripts used by the Media Server to answer a call placed to the “general” corporate number. The default VXML scripts in the system provide the following:
- Professional main greeting message
- Prompts for standard Auto Attendant features with up to 8 key selections (any key except 0, 9, * and #) for specific phone numbers, such as Sales, Support, or Accounts Payable.
- “Press 0 to reach an operator” escape route is available at any time in a call to an administrator-specified extension.
- Dial by extension.
- Dial by name, resulting in any number of selectable choices and an audio confirmation after selection that plays either the name recorded by the end-user or confirms the extension number if no name was recorded by the end-user.
- Telephone User Interface (TUI) to customize top-level greeting.
- Supports user configurable multiple auto-attendants
[edit] Interactive Voice Response
The IVR capability allows an Enterprise to build a call routing tree that directs callers to specific phone extensions within the system.
- Easily customizable top-level IVR choices with no VXML programming skills required.
- Specify destinations for the 1 through 8 keys; the 9 key is reserved for Dial by Name.
- Designate any number of extensions or hunt groups for each top-level IVR choice.
- Browser interface to select top-level choices.
- Fully replaceable VXML scripts for more complex IVR requirements
- Replace any of the VXML scripts with custom VXML applications
- Use any commercial VXML integrated development environment.
- Contact information for third-party voice talent used for the built-in prompts is provided, enabling extension of existing prompt suite with the same voice.
[edit] Voicemail
Media Server offers advanced voicemail capabilities.
Callers into the system can:
- Hear a default audio prompt or a personalized announcement from each user.
- Leave recorded messages.
- Utilize post-message options, including review recording, save recording, delete and start over, cancel, and send to multiple mailboxes.
- Escape to a designated operator extension by pressing 0 at any time in the call.
Message recipients can:
- Record their name for use as the default voicemail greeting.
- Customize and select appropriate voicemail greetings for various situations, including the standard greeting, out of office greeting, and extended absence greeting.
- Receive visual notification of a new voicemail via the message-waiting light on the phone and a “new voicemail” message on the phone display.
- Receive email notification on any designated email account or device, such as a desktop PC, pager, mobile phone, or Blackberry RIM device.
- Play and delete messages from any PC with audio capabilities or audio-playing application, such as Windows Media Player, Winamp, iTunes, and Real Networks Real Player.
- Retrieve messages by dialing into the system from any telephone within or outside the system, with standard capabilities such as play message info, replay message, save/restore to inbox, delete, forward with or without comment, play next message, cancel, and empty deleted messages folder.
- Forward voicemail messages when dialing into the system with or without additional comment to other users on the system.
- Create re-usable message distribution lists that are directly accessible while sending a message using the phone
- Utilize browser interface to retrieve and manage messages, mailbox options and greetings, and view details on, listen to, file, and delete messages.
- Save message to PC hard drive from browser interface; forward message as attachment via email.
- Store and manage voicemail messages in a hierarchical folder structure for inbox, Saved, Deleted, and Personal folders.
- Extend the Personal folder structure by creating new subfolders
- Edit subject lines for easier retrieval and folder management.
[edit] Administration
- Configured and managed via sipX Configuration Server.
- Administrators can add and delete mailboxes, change general recordings, and perform other administrative duties in real time.
- Server functionality is provided via VXML files, which customers can modify or substitute to change system behavior.
- Includes protection against “boomerang calls” by outside users.
- Utilizes RFC 2833 for DTMF processing to eliminate the need for DSP cards in the server.
- Backup of voicemail messages included in the automated backup management system provided by ConfigServer
HTTPS security
- Secure storage and retrieval on Media Server or any HTTPS server.
- Storage size limited only by capacity of HTTPS server disk.
Supported Browsers
- Mozilla Firefox
- Microsoft Internet Explorer 6.0 and higher.
- Netscape 6.2 and higher.
.wav file message store
- Administrator-controlled maximum message length in time (seconds/minutes) or Kbytes.
- Audio messages stored in standard encoding format in a standard file system hierarchy organized by username.
- Prompts are stored in G.711u format to eliminate transcoding requirements and minimize Media Server CPU load.
- Allows the admin to set an age limit in days after which messages are automatically deleted in order to prevent storage overflow
