Split SMS numbers by batches

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James Wattana
New member
Username: James_watt

Post Number: 21
Registered: 04-2020
Posted on Sunday, April 26, 2020 - 09:14 am:   

Hi, we have 50,000 number that we need to send all the times. But we would like to send in batches of 1000 per time.

Currently we need to manual split 50k into 50 diff files and add to address book. It is very time consuming.

Is there an easier way for us to blast this? Say one time we click send to 50k and it will auto stop at 1000 number or something like that.

Des - NowSMS Support
Board Administrator
Username: Desosms

Post Number: 6140
Registered: 08-2008
Posted on Monday, April 27, 2020 - 05:28 pm:   


If those are the only messages being sent...or if one of your SMSC connections can be dedicated to only that traffic (and similar traffic)...then you could set limits on the number of messages transmitted per minute, per hour and per day over an outbound SMSC connection. You can also set "quiet hours". See https://www.nowsms.com/limit-sms-messages-sent-per-day-hour-minute-or-second

The problem is that these limits will effect all message traffic over that SMSC connection, which would limit other traffic. (There is a weird way around this, but I hesitate to suggest because it is confusing. You can configure NowSMS to connect to itself as an SMPP client...what I'll call a loopback connection. You put these limits against the loopback connection. When submitting via HTTP, you include the &SMSCRoute= parameter to direct the traffic to the loopback route. You limit the speed at which messages are processed on the loopback route.When a message comes in the loopback, it gets routed to the real SMSC connection. The only downside is a licensing penalty, where NowSMS counts the message twice...if you wanted to pursue this, I would need to ask our engineering team to address this.)

NowSMS Support

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