SMPP receive DLR logic for external api - sms

I send SUBMIT_SM command with all required data and successfully get SMS to my mobile phone.
I see on my SMPP server log that DELIVER_SM_RESP is received from SMSC but I can't see logic how to request from my api (that i'm building) to get this DLR.
Do I run:
DELIVER_SM = 0x00000005
or
QUERY_SM = 0x00000003
I tried with both but for DELIVER_SM got error, and can't see nothing in QUERY_SM.
Please advise, thanks in advance.
Vedran

A delivery receipt will be sent back to your SMPP server via a DELIVER_SM message if you have the registered_delivery field set correctly in your message (make sure). Are you using Kannel or some other SMPP server or did you write your own?

Your SMPP stack software is the one responsible of handling any received DELIVER_SM containing valid message-receipt-acknowledgement content and pushing it to your API through SMPP, HTTP or whatever enabled protocol, what's your SMPP stack ?

Related

JasminSMS configuration

I successfully installed JasminSMS on Ubuntu, added SMS provider informations such as hostname, port, user and password, but failed to receive test SMS using HTTP API:
http://127.0.0.1:1401/send?username=foo&password=bar&to=*********&content=hello
I'm writing my own number, but I don't receive it. What other configuration do I need to do?
In this scenario (you want to terminate an SMS message by using Jasmin's HTTP API) you need:
Jasmin SMS Gateway installed
An HTTP user configured in Jasmin SMS (this can be done in the included CLI)
An SMPP connector configured in Jasmin SMS to connect to an SMS service provider. The credentials will be supplied by your SMS vendor of choice.
A routing rule in Jasmin SMS Gateway to decide which SMPP connector to use
This is all well-documented here https://docs.jasminsms.com/en/latest/installation/index.html#sending-your-first-sms
If your HTTP API call is successful you'll receive an HTTP success code (200) and a GUID. Jasmin SMS then tries to deliver the SMS message via the SMPP connector (according to the routing rule configured). If your SMS message was not received you need to look into the used SMPP-connector to troubleshoot further. If the message has been accepted by the SMPP connector of choice you'll have to contact your SMPP vendor and ask them to look into the possible delivery issues.
An SMS vendor is basically a company with agreements to various operators & aggregators around the world specializing in delivering SMS messages globally (or locally of course depending on their focus) for a price.
make sure u enter the smsc creditntials on the smpp connector and mae sure it is started(smppccm -1 cid) and check its sessision if it is bound smppccm -l

Jasmin: MT Route to http api

We have an SMS Gateway works only in HTTP API with Telecom companies
Clients request SMPP Connection because their system accepts SMPP only.
Installed Jasmin SMS Gateway on DigitalOcean droplet, but Jasmin required All the MT Routes to be via SMPP Connectors only.
How can I intercept all MT Messages to be sent via HTTP API with fully status smpp response?
https://jasmin.readthedocs.io/en/latest/management/jcli/
The documentation doesn't mention anyways, I guess I can make it by Python but I didn't understand.
jcli : mtrouter -a
Adding a new MT Route: (ok: save, ko: exit)
type DefaultRoute
arguments:
connector, rate
connector http(HTTP-01)
Invalid syntax for connector id, must be smppc(some_id).

what is the difference between SMPP and SMS

Please I'll like to know the difference between SMS and SMPP or at the very least get pointed to a good resource that breaks down this difference in layman terms. I'm currently on a project where the product vendor says the product only supports SMPP for inbound messages so it cannot be integrated to an SMS gateway. I've tried researching the fundamental peculiarities of SMPP that makes the integration with an SMS gateway for inbound messages impossible for this product but my research has yielded nothing material so far.
I'll really appreciate your feedback as the project is basically at an impasse due to the insistence of the vendor on SMPP.
SMPP is the protocol used to send SMS. Currently there are 2 ways to send a SMS. Either by SMPP (beneath the TCP protocol) or by SS7 (which requires hardware and is costly).
Usually SMS gateways are SMPP which is weird that you are not able to integrate it with it.
In brief, the SMPP protocol does the below:
Client binds to the server (Bind Request) / Server Accept or Reject
bind (Bind Response)
Client Sends SMS (Submit-SM) / Server accepts or Rejects SMS (Submit
Resp) server also includes the message Id
Server sends the DLR with the same message Id in the submit
response(Deliver-SM) / Client acknowledge the DLR (Deliver Resp)
Theres also an Enquire Link sent from the client and its response from the server to keep the connection from timing out usually 30 seconds.
Here's a link describing the SMPP Protocol in details:
http://opensmpp.org/specs/smppv34_gsmumts_ig_v10.pdf

SMPP packet caused missed call in mobile phone?

Is there any GSM or SMPP message that could be interpreted as a call instead of an SMS by a mobile phone?
I really appreciate your answer.
For more info:
Sometimes when we send an SMPP packet to the SMSC, the user gets a missed Call in place of an SMS.
We checked the packet with tshark and there was no problem with the format and header.
Please give us any idea to find the problem.
Smpp message can do that.
Check ProtocolId and Datacoding fields.

Multiple delivery confirmations per message with Ruby SMPP

I am using the ruby smpp library to send/receive SMS. Right now we are sending messages to two different servers, using the ruby-smpp library. One of them works perfectly, but the other one sends multiple DELIVRD confirmations for each messages. And by multiple I mean hundreds of confirmations per message in some cases.
Does anyone know any possible reason behind this? I am thinking on something relative to the implementation of the protocol the company is using, since it works perfectly with the other one, and not on the lines of a bug in the specific smpp ruby library. We are using smpp v3.4.
I haven't used the Ruby library yet, but I'll tap my basic SMPP knowledge to attempt an answer...
It sounds like you are asking for a delivery acknowledgement, but your server is not acknowledging the receipt of the delivery acknowledgement.
Page 31 of the SMPP v3.4 spec shows:
(you are on the left)
submit_sm ->
<- submit_sm_resp
<- deliver_sm
deliver_sm_resp ->
You could do a submit_sm without delivery receipt.

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