HTTP Error Code 503 when send SMS

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Author Message
lee ah fei
New member
Username: Ahfeii

Post Number: 11
Registered: 07-2011
Posted on Friday, November 24, 2017 - 08:15 am:   

Hi Sir,

I can send MMS via NowSMS Lite UI, Web URL even API.
But I received status code 503 when tried to send a SMS. I've tried on UI, Web and API. I received 'message submitted' on Web and API. Received 503 immediately when I press 'Send Test SMS' button on UI


What's wrong actually? I can send both MMS and SMS previously, but failed to send SMS recently.
My version is V2014.06.30

log for your reference:
2017-11-24 12:58:25,System,,NowSMSModem - 192.168.1.122:8990,Failure -- No response from NowSMS modem 192.168.1.122:8990,SMSCRouteName=192.168.1.122
2017-11-24 12:59:31,System,,NowSMSModem - 192.168.1.122:8990,Failure -- No response from NowSMS modem 192.168.1.122:8990,SMSCRouteName=192.168.1.122
2017-11-24 13:11:36,System,,NowSMSModem - 192.168.1.122:8990,Failure -- No response from NowSMS modem 192.168.1.122:8990,SMSCRouteName=192.168.1.122
2017-11-24 16:10:17,5A17D3E5,127.0.0.1,+60168116245,Retry Pending - HTTPSMSC: Connection failed, HTTP status code = 503. -- NowSMSModem - 192.168.1.122:8990,SubmitUser=x;SMSCRouteName=192.168.1.122
2017-11-24 16:10:18,5A17D3E5,127.0.0.1,+60168116245,Retry Pending - HTTPSMSC: Connection failed, HTTP status code = 503. -- NowSMSModem - 192.168.1.122:8990,SubmitUser=x;SMSCRouteName=192.168.1.122
lee ah fei
New member
Username: Ahfeii

Post Number: 12
Registered: 07-2011
Posted on Monday, November 27, 2017 - 12:21 am:   

can anybody help?
Des - NowSMS Support
Board Administrator
Username: Desosms

Post Number: 5875
Registered: 08-2008
Posted on Tuesday, November 28, 2017 - 08:28 pm:   

Hi,

Sorry for the delay in response.

Verify that you can actually send an SMS using the built-in messaging client on the phone.

Usually this error means the SIM has no more credit.

--
Des
NowSMS Support
lee ah fei
New member
Username: Ahfeii

Post Number: 13
Registered: 07-2011
Posted on Wednesday, November 29, 2017 - 12:20 am:   

Dear Des,
thanks for the reply. i've checked the SIM still have sufficient credit. And it can send out MMS, but cannot send SMS
do you have any clue?
Des - NowSMS Support
Board Administrator
Username: Desosms

Post Number: 5877
Registered: 08-2008
Posted on Wednesday, November 29, 2017 - 01:29 pm:   

Can you send an SMS using the built-in messaging client on the phone?

Any chance this is a dual SIM phone? We have seen reports of this error with dual SIM phones (best to avoid).

--
Des
NowSMS Support
lee ah fei
New member
Username: Ahfeii

Post Number: 14
Registered: 07-2011
Posted on Thursday, November 30, 2017 - 06:45 am:   

Hi Des,

Thank you for the hints!!
Realised there was the problem on SIM card that caused SMS were not sent out. Even though I have no idea why MMS is working. Swap to another SIM card and it works again.
Appreciate your help. Thanks again!

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