Media Gateway Control Kevin Boyle II
C. Michael Brown
Sarah Cornel
Stacy Doyle
Mehala Kumar
Internet Draft Nortel Networks
Document: draft-boyle-megaco-tonepkgs-00.txt October 2000
Category: Informational
Supplemental Tones Packages for Megaco/H.248
Status of this Memo
This document is an Internet-Draft and is in full conformance with
all provisions of Section 10 of RFC2026 [1].
Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF), its areas, and its working groups. Note that
other groups may also distribute working documents as Internet-
Drafts. Internet-Drafts are draft documents valid for a maximum of
six months and may be updated, replaced, or obsoleted by other
documents at any time. It is inappropriate to use Internet- Drafts
as reference material or to cite them other than as "work in
progress."
The list of current Internet-Drafts can be accessed at
http://www.ietf.org/ietf/1id-abstracts.txt
The list of Internet-Draft Shadow Directories can be accessed at
http://www.ietf.org/shadow.html.
1. Abstract
This document provides proposed definitions for several supplemental
packages for Megaco/H.248. These packages address support of
functionality for basic and enhanced telephony services. This
document is the updated version of the tones packages presented
originally in draft-brown-megaco-supplpkgs-00.txt.
2. Conventions used in this document
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in
this document are to be interpreted as described in RFC-2119 [2].
3. Expanded Call Progress Tones Generator Package
PackageID: xcg (0x????)
Version: 1
Extends: cg version 1
Boyle, et al Informational - Expires Apr 2001 1
Supplemental Tones Packages for Megaco/H.248 October 2000
This package defines additional call progress indications as
signals.
3.1 Properties
None.
3.2 Events
None.
3.3 Signals
Comfort Tone
SignalID: cmft (0x????)
Generate comfort tone, also known as routing tone, to
indicate that the call is still in the process of being
connected. Comfort tone corresponds to "comfort tone" as
defined in ITU-T E.182.The physical characteristic of comfort
tone is available in the gateway.
Signal Type: Timeout
Duration: Provisioned, Not Auditable
Additional Parameters: None
Off-Hook Warning Tone
SignalID: roh (0x????)
Generate receiver off-hook warning tone, to urge the customer
to replace the receiver on the cradle. ROH tone corresponds
to "receiver off-hook tone" as defined in Telcordia GR-506-
CORE. The physical characteristic of roh tone is available in
the gateway.
Signal Type: Timeout
Duration: Provisioned, Not Auditable
Additional Parameters: None
Negative Acknowledgement
SignalID: nack (0x????)
Signal negative acknowledgement, indicating that the action
was unsuccessful. Nack tone corresponds to "negative
indication tone" as defined in ITU-T E.182. Typically, in
North America, nack tone is mapped to "reorder tone" as
defined in Telcordia GR-506-CORE. The physical characteristic
of nack tone is available in the gateway.
Boyle, et al Informational - Expires Apr 2001 2
Supplemental Tones Packages for Megaco/H.248 October 2000
Signal Type: Timeout
Duration: Provisioned, Not Auditable
Additional Parameters: None
Vacant Number Tone
SignalID: vac (0x????)
Signal that the number dialled routes to a non-existent
address. Vacant tone is also known as number unobtainable
tone. Typically, in North America, vacant tone is mapped to
"reorder tone" as defined in Telcordia GR-506-CORE. The
physical characteristic of vacant tone is available in the
gateway.
Signal Type: Timeout
Duration: Provisioned, Not Auditable
Additional Parameters: None
Special Conditions Dial Tone
SignalID: spec (0x????)
Signal that the originator's line has a condition preventing
terminations (such as universal call forwarding). Special
conditions dial tone corresponds to "special dial tone" as
defined in ITU-T E.182. The physical characteristic of
special conditions dial tone is available in the gateway.
Signal Type: Timeout
Duration: Provisioned, Not Auditable
Additional Parameters: None
3.4 Statistics
None.
3.5 Procedures
None.
4. Basic Services Tones Generation Package
PackageID: srvtn (0x????)
Version: 1
Extends: cg version 1
This package defines signals for use by telephony services.
4.1 Properties
None.
Boyle, et al Informational - Expires Apr 2001 3
Supplemental Tones Packages for Megaco/H.248 October 2000
4.2 Events
None.
4.3 Signals
Recall Dial Tone
SignalID: rdt (0x????)
Generate recall dial tone, indicating that the switch is
ready to accept additional information. Recall dial tone
corresponds to "second dial tone" as defined in ITU-T E.182,
and to "recall dial tone" as defined in Telcordia GR-506-
CORE. The physical characteristic of recall dial tone is
available in the gateway.
Signal Type: Timeout
Duration: Provisioned, Not Auditable
Additional Parameters: None
Confirmation Tone
SignalID: conf (0x????)
Generate confirmation tone, indicating that the previous
action was successful. Confirmation tone corresponds to
"positive indication tone" as defined in ITU-T E.182, and to
"confirmation tone" as defined in Telcordia GR-506-CORE. The
physical characteristic of confirmation tone is available in
the gateway.
Signal Type: Brief
Duration: Provisioned, Not Auditable
Additional Parameters: None
Held Tone
SignalID: ht (0x????)
Generate held tone, indicating that the remote end has the
call in a held state. Held tone corresponds to "tone on hold"
as defined in ITU-T E.182. The physical characteristic of
held tone is available in the gateway.
Signal Type: Timeout
Duration: Provisioned, Not Auditable
Additional Parameters: None
Message Waiting Tone
SignalID: mwt (0x????)
Boyle, et al Informational - Expires Apr 2001 4
Supplemental Tones Packages for Megaco/H.248 October 2000
Generate message waiting tone, indicating that a message is
waiting for the user on a remote voice messaging system.
Message waiting tone corresponds to "message waiting tone" as
defined in Telcordia GR-506-CORE. The physical characteristic
of message waiting tone is available in the gateway.
Signal Type: Timeout
Duration: Provisioned, Not Auditable
Additional Parameters: None
4.4 Statistics
None.
4.5 Procedures
None.
5. Expanded Services Tones Generation Package
PackageID: xsrvtn (0x????)
Version: 1
Extends: srvtn version 1
This package defines additional signals for use by telephony
services.
5.1 Properties
None.
5.2 Events
None.
5.3 Signals
Call Transfer Dial Tone
SignalID: xferdt (0x????)
Generate call transfer dial tone, indicating that the switch
is ready to receive the transfer information. The physical
characteristic of call transfer dial tone is available in the
gateway.
Signal Type: Timeout
Duration: Provisioned, Not Auditable
Additional Parameters: None
Call Forward Tone
Boyle, et al Informational - Expires Apr 2001 5
Supplemental Tones Packages for Megaco/H.248 October 2000
SignalID: cft (0x????)
Generate call forward tone, which is also commonly known as
call diversion tone, indicating that the call is being
forwarded to another destination. Call forward tone
corresponds to "special ringing tone" as defined in ITU-T
E.182. The physical characteristic of call forward tone is
available in the gateway.
Signal Type: Brief
Duration: Provisioned, Not Auditable
Additional Parameters: None
Credit Card Service Tone
SignalID: ccst (0x????)
Generate credit card service tone, which is also commonly
known as calling card service tone, indicating that the
switch has accepted the credit card/calling card, and is
ready to receive address information. The physical
characteristic of credit card service tone is available in
the gateway.
Signal Type: Brief
Duration: Provisioned, Not Auditable
Additional Parameters: None
5.4 Statistics
None.
5.5 Procedures
None.
6. Intrusion Tones Generation Package
PackageID: int (0x????)
Version: 1
Extends: cg version 1
This package defines signals for use by operator-based telephony
services.
6.1 Properties
None.
6.2 Events
Boyle, et al Informational - Expires Apr 2001 6
Supplemental Tones Packages for Megaco/H.248 October 2000
None.
6.3 Signals
Intrusion Pending Tone
SignalID: pend (0x????)
Generate intrusion pending tone, commonly known as cut-in
tone, indicating a third party is intending to break into the
call. The physical characteristic of intrusion pending tone
is available in the gateway.
Signal Type: Brief
Duration: Provisioned, Not Auditable
Additional Parameters: None
Intrusion Tone
SignalID: int (0x????)
Generate intrusion tone, which is also commonly known as
barge-in tone, or operator intervening tone, indicating a
third party is breaking into the call. The physical
characteristic of intrusion tone is available in the gateway.
Signal Type: Brief
Duration: Provisioned, Not Auditable
Additional Parameters: None
Intrusion Reminder Tone
SignalID: rem (0x????)
Generate intrusion reminder tone, which is also known as
attendant camp-on tone, indicating a third party remains
broken into the call. The physical characteristic of
intrusion reminder tone is available in the gateway.
Signal Type: Brief
Duration: Provisioned, Not Auditable
Additional Parameters: None
Toll Break-In Tone
SignalID: tbi (0x????)
Generate toll break-in tone, indicating a third party is
breaking into a toll call. The physical characteristic of
toll break-in tone is available in the gateway.
Signal Type: Brief
Duration: Provisioned, Not Auditable
Boyle, et al Informational - Expires Apr 2001 7
Supplemental Tones Packages for Megaco/H.248 October 2000
Additional Parameters: None
6.4 Statistics
None.
6.5 Procedures
None.
7. Conferencing Tones Generation Package
PackageID: conftn (0x????)
Version: 1
Extends: cg version 1
This package defines conferencing signals.
7.1 Properties
None.
7.2 Events
None.
7.3 Signals
Conference Entrance Tone
SignalID: enter (0x????)
Generate conference entrance tone, which indicates a new
caller has joined the conference. The physical characteristic
of conference entrance is available in the gateway.
Signal Type: Brief
Duration: Provisioned, Not Auditable
Additional Parameters: None
Conference Exit Tone
SignalID: exit (0x????)
Generate conference exit tone, which indicates a conferee has
left the conference. The physical characteristic of
conference exit is available in the gateway.
Signal Type: Brief
Duration: Provisioned, Not Auditable
Additional Parameters: None
Boyle, et al Informational - Expires Apr 2001 8
Supplemental Tones Packages for Megaco/H.248 October 2000
Conference Lock Tone
SignalID: lock (0x????)
Generate conference lock tone, which indicates the controller
has blocked new callers from joining the conference. The
physical characteristic of conference lock is available in
the gateway.
Signal Type: Brief
Duration: Provisioned, Not Auditable
Additional Parameters: None
Conference Unlock Tone
SignalID: unlock (0x????)
Generate conference unlock tone, which indicates the
controller has allowed new callers to join the conference.
The physical characteristic of conference unlock is available
in the gateway.
Signal Type: Brief
Duration: Provisioned, Not Auditable
Additional Parameters: None
Time Limit Warning Tone
SignalID: timelim (0x????)
Generate time limit warning tone, which indicates that there
are only a few minutes remaining on the provisioned
conference bridge. The physical characteristic of conference
lock is available in the gateway.
Signal Type: Brief
Duration: Provisioned, Not Auditable
Additional Parameters: None
7.4 Statistics
None.
7.5 Procedures
None.
8. Business Tones Generation Package
PackageID: biztn (0x????)
Version: 1
Extends: cg version 1
Boyle, et al Informational - Expires Apr 2001 9
Supplemental Tones Packages for Megaco/H.248 October 2000
This package defines signals for use by business telephony
applications.
8.1 Properties
None.
8.2 Events
None.
8.3 Signals
Off-Hook Queueing Tone
SignalID: ofque (0x????)
Generate off-hook queueing tone, indicating that the call is
awaiting network resources. The physical characteristic of
off-hook queueing tone is available in the gateway.
Signal Type: Brief
Duration: Provisioned, Not Auditable
Additional Parameters: None
Expensive Route Warning Tone
SignalID: erwt (0x????)
Generate expensive route warning tone, indicating that the
call has been routed over a route that has a higher cost than
a datafilled threshold. The physical characteristic of
expensive route warning tone is available in the gateway.
Signal Type: Brief
Duration: Provisioned, Not Auditable
Additional Parameters: None
8.4 Statistics
None.
8.5 Procedures
None.
9. Diagnostic Tones Generation Package
PackageID: test (0x????)
Version: 1
Extends: tonegen version 1
Boyle, et al Informational - Expires Apr 2001 10
Supplemental Tones Packages for Megaco/H.248 October 2000
This package defines diagnostic signals for use by telephony
providers.
9.1 Properties
None.
9.2 Events
None.
9.3 Signals
Low Tone
SignalID: low (0x????)
Generate low tone. The physical characteristic of low tone is
available in the gateway.
Signal Type: OnOff
Duration: N/A
Additional Parameters: None
High Tone
SignalID: high (0x????)
Generate high tone. The physical characteristic of high tone
is available in the gateway.
Signal Type: OnOff
Duration: N/A
Additional Parameters: None
Loud Tone
SignalID: loud (0x????)
Generate loud tone. The physical characteristic of loud tone
is available in the gateway.
Signal Type: OnOff
Duration: N/A
Additional Parameters: None
Faint Tone
SignalID: faint (0x????)
Generate faint tone. The physical characteristic of faint
tone is available in the gateway.
Boyle, et al Informational - Expires Apr 2001 11
Supplemental Tones Packages for Megaco/H.248 October 2000
Signal Type: OnOff
Duration: N/A
Additional Parameters: None
Slow Interrupted Tone
SignalID: slow (0x????)
Generate slow interrupted tone. The physical characteristic
of slow interrupted tone is available in the gateway.
Signal Type: OnOff
Duration: N/A
Additional Parameters: None
Fast Interrupted Tone
SignalID: fast (0x????)
Generate fast interrupted tone. The physical characteristic
of fast interrupted tone is available in the gateway.
Signal Type: OnOff
Duration: N/A
Additional Parameters: None
9.4 Statistics
None.
9.5 Procedures
None.
10. Carrier Tones Generation Package
PackageID: carr (0x????)
Version: 1
Extends: cg version 1
This package defines signals for use by carrier services.
10.1 Properties
None.
10.2 Events
None.
10.3 Signals
Boyle, et al Informational - Expires Apr 2001 12
Supplemental Tones Packages for Megaco/H.248 October 2000
Carrier Dial Tone
SignalID: cdt (0x????)
Generate carrier dial tone, indicating that a carrier other
than the default is providing service for the call. The
physical characteristic of carrier dial tone is available in
the gateway.
Signal Type: Timeout
Duration: Provisioned, Not Auditable
Additional Parameters: None
Carrier Answer Tone
SignalID: ans (0x????)
Generate carrier answer tone, also known as tone burst on
answer, indicating that a carrier other than the default is
providing service for the call. The physical characteristic
of carrier answer tone is available in the gateway.
Signal Type: Brief
Duration: Provisioned, Not Auditable
Additional Parameters: None
Long Distance Indicator Tone
SignalID: ldi (0x????)
Generate long distance indicator tone, indicating that the
call is a long-distance connection. The physical
characteristic of long distance indicator tone is available
in the gateway.
Signal Type: Brief
Duration: Provisioned, Not Auditable
Additional Parameters: None
10.4 Statistics
None.
10.5 Procedures
None.
11. Formal Syntax
Not Applicable
Boyle, et al Informational - Expires Apr 2001 13
Supplemental Tones Packages for Megaco/H.248 October 2000
12. Security Considerations
Not Applicable
13. References
1 Bradner, S., "The Internet Standards Process -- Revision 3", BCP
9, RFC 2026, October 1996.
2 Bradner, S., "Key words for use in RFCs to Indicate Requirement
Levels", BCP 14, RFC 2119, March 1997
14. Acknowledgments
None
15. Author's Addresses
Kevin Boyle II
Nortel Networks
4008 Chapel Hill Road
Research Triangle Park, NC USA 27709
Phone: (919) 991-2690
Email: kboyle@nortelnetworks.com
C. Michael Brown
Nortel Networks
4008 Chapel Hill Road
Research Triangle Park, NC USA 27709
Phone: (919) 991-7767
Email: C.Michael.Brown@nortelnetworks.com
Sarah Cornel
Nortel Networks
4008 Chapel Hill Road
Research Triangle Park, NC USA 27709
Phone: (919) 991-2853
Email: sarahc@nortelnetworks.com
Stacy Doyle
Nortel Networks
4008 Chapel Hill Road
Research Triangle Park, NC USA 27709
Phone: (919) 905-2687
Email: sad@nortelnetworks.com
Mehala Kumar
Boyle, et al Informational - Expires Apr 2001 14
Supplemental Tones Packages for Megaco/H.248 October 2000
Nortel Networks PLC
Maidenhead Laboratories
Concorde Road
Norreys Drive
Maidenhead, Berkshire UK SL6 4AG
Phone: +44-1628-770770
Email: meha@nortelnetworks.com
Boyle, et al Informational - Expires Apr 2001 15
Supplemental Tones Packages for Megaco/H.248 October 2000
Full Copyright Statement
"Copyright (C) The Internet Society (date). All Rights Reserved.
This document and translations of it may be copied and furnished to
others, and derivative works that comment on or otherwise explain it
or assist in its implmentation may be prepared, copied, published
and distributed, in whole or in part, without restriction of any
kind, provided that the above copyright notice and this paragraph
are included on all such copies and derivative works. However, this
document itself may not be modified in any way, such as by removing
the copyright notice or references to the Internet Society or other
Internet organizations, except as needed for the purpose of
developing Internet standards in which case the procedures for
copyrights defined in the Internet Standards process must be
followed, or as required to translate it into languages other than
English. The limited permissions granted above are perpetual and
will not be revoked by the Internet Society or its successors or
assigns. This document and the information contained herein is
provided on an "AS IS" basis and THE INTERNET SOCIETY AND THE
INTERNET ENGINEERING TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF
THE INFORMATION HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED
WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE."
16. Expiration Date
This memo is filed as <draft-boyle-megaco-tonepkgs-00.txt>, and
expires April 2, 2001.
Boyle, et al Informational - Expires Apr 2001 16