1.
ETSI TS 100 901 V7.4.0 (1999-12), Digital cellular telecommunications system (phase 2+), technical realization of the short message Service (SMS) (GSM 03.40 version 7.4.0 release) 1998.
2.
ETSI TS 100 900 V7.2.0 (1999-07), Digital cellular telecommunications system (phase 2+), alphabets and language-specific information (GSM 03.38 version 7.2.0 release) 1998.
3.
SMPP Developers Forum, http://smsforum.net/doc/public/Spec/SMPP_v3_4_Issue1_2.pdf, Oct. 12, 1999.
4.
P. Saint-Andre, ed., Extensible Messaging and Presence Protocol (XMPP): Core, IETF RFC 3920, Oct. 2004
5.
P. Saint-Andre, ed., Extensible Messaging and Presence Protocol (XMPP): Instant Messaging and Presence, IETF RFC 3921, Oct. 2004
6.
P. Saint-Andre, ed., Mapping the Extensible Messaging and Presence Protocol (XMPP) to Common Presence and Instant Messaging (CPIM), IETF RFC 3922, Oct. 2004
7.
P. Saint-Andre, ed., End-to-End Signing and Object Encryption for the Extensible Messaging and Presence Protocol (XMPP), IETF RFC 3923, Oct. 2004
8.
Peter Saint-Andre and Ralph Meijer, “Streaming XML with Jabber/XMPP,†IEEE Internet Computing, vol. 9, No. 5, pp. 82-89, Sep-Oct. 2005
9.
W3c XML standards, http://www.w3.org/XML/.
10.
Tim Dierks, and et al., "The TLS Protocol Version 1.0", RFC 2246, Jan. 1999.
11.
John G. Myers, "Simple Authentication and Security Layer (SASL)", RFC 2222, Oct. 1997.
12.
The Unicode Standard - http://www.unicode.org.
13.
Tim Berners-Lee, and et al., “Uniform Resource Identifiers (URI): Generic Syntax,†Internet RFC 2396, Aug. 1998.
14.
Roy T. Fielding, and et al., “Hypertext Transfer Protocol -- HTTP/1.1,†Internet RFC 2616, Jun. 1999.
15.
Ben Campbell, and et al., "Session Initiation Protocol (SIP) Extension for Instant Messaging," Internet RFC 3428, Dec. 2002.
16.
http://datatracker.ietf.org/wg/simple/documents/
17.
Hiroyasu Sugano and et al., "Presence Information Data Format (PIDF)," IETF RFC 3863, Aug. 2004
18.
Daniel Senie, "Network Address Translator (NAT)-Friendly Application Design Guidelines," IETF RFC3235, Jan. 2002