VM notification coming in as normal SMS in CDMA with 8960

VM notification coming in as normal SMS in CDMA with 8960 SearchSearch
Author Message
Dhanya K.Nair
Posted on Monday, November 30, 2009 - 10:26 pm:   


Hi,

I am trying to set up VM notifications through NowSMS (that’s is set up behind a CDMA Agilent 8960)
Its coming in as a normal SMS

I did install the patch as in
http://support.nowsms.com/discus/messages/1/17707.html

Could you please help?
Des - NowSMS Support
Board Administrator
Username: Desosms

Post Number: 1472
Registered: 08-2008
Posted on Tuesday, December 01, 2009 - 04:45 pm:   

Hi,

I would not recommend installing that patch unless you are running NowSMS 2006. Otherwise, it is likely to cause problems.

If you have installed it, then I would recommend re-installing the version that you have.

All this said, I have no idea how voice mail notifications work on CDMA networks. The voice mail notifications that NowSMS generates are GSM format, using GSM User Data Header (UDH).

In CDMA, I believe the VMN teleservice is used. And I believe the binary encoding is completely different.

I've consulted the specifications, and indeed, the encoding is completely different. Unfortunately, I don't see any way that NowSMS can send the correct message via the HTTP interface of the 8960, as the URL parameters do not allow us to generate the complete SMS deliver message.

As I understand it, the HTTP interface exposed for the 8960 only allows the "user data subparameter" of the SMS deliver message to be specified.

To generate a voice mail notification, we also need to generate the "number of messages subparameter".

The actual raw binary message is easy to generate ... to send a notification of 1 voice mail, the following binary message is sent with the Teleservice set to VMN:

00031000100B0101

To turn off voice mail waiting, change the last byte to 00 to indicate 0 messages.

I just don't see any way to pass this data to the 8960. If we use the "DATA" parameter, it will assume that this is binary data is for the "user data subparameter", when we really want to encode the entire message.

If you want to go back to your Agilent contacts, we can explore adding support for this capability if they can give us a way to specify the complete CDMA SMS deliver message ... not just the "user data subparameter".

As things currently exist, the voice mail notifications should not be expected to work with a CDMA or CDMA2000 handset.

--
Des
NowSMS Support
Dhanya Nair
New member
Username: Dhanyaknair

Post Number: 2
Registered: 10-2006
Posted on Friday, December 04, 2009 - 02:38 am:   

Thanks for your response

Do you know if it works behind a CDMA Anritsu 8470?
Des - NowSMS Support
Board Administrator
Username: Desosms

Post Number: 1496
Registered: 08-2008
Posted on Friday, December 04, 2009 - 08:28 pm:   

It's not going to work via NowSMS. Although we would be interested in making it work if an HTTP interface were expected to allow us to specify the complete CDMA SMS deliver message.

Try sending the binary message that I mentioned above manually if possible.

--
Des
NowSMS Support