I’ve been using Sinch's SMS API for a high-volume marketing campaign, but I’m encountering significant delivery delays when sending bulk messages. The delays are affecting the campaign’s effectiveness, as time-sensitive messages aren’t reaching custo...
Hi, I am using Sinch SMS api in my application. The sms is sending from YOYOPower 4G Switch (EX4). The messages is in either swedish or in norwegian. Some character for example Å, ö encoded to wrong character. Please see the original message and the ...
Hello !My company use your API.We sent a sms campaign but the sms were never received. When we check 2 numbers we see that it failed with Error 60 originator blocked. In the documentation I saw that it means "Campaign not active on AT&T". But I don't...