Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted Jun 10, 2024 - 06:00 UTC
Scheduled
We are excited to announce that we are expanding and updating our infrastructure to serve you even better. As part of this update, we are expanding the range of source IP addresses used for customer callbacks (callback requests sent by Sinch to your systems).
Action Required: To ensure uninterrupted service, please update your firewall settings to allow the following new IP addresses. Please ensure that these IPs are whitelisted before Monday, June 10, 2024 at 06:00 UTC.
Effective time: 2024-06-10, 06:00 UTC
AWS Region
IP ranges to whitelist
Asia Pacific (Singapore)
13.213.166.0/25
Asia Pacific (Sydney)
3.26.105.64/26
Europe (Frankfurt)
3.68.81.128/25
South America (São Paulo)
15.228.118.128/26
US East (N. Virginia)
44.192.255.0/25
US West (Oregon)
18.246.82.128/27
Asia Pacific (Mumbai)
13.201.195.96/27
Please note that these new IP addresses are in addition to our existing IP addresses, listed below. Existing IPs should remain whitelisted.
AWS Region
Existing IP Address
Europe (Frankfurt)
52.57.50.104
US East (N. Virginia)
52.44.202.231
Asia Pacific (Singapore)
13.228.248.110
Asia Pacific (Sydney)
54.79.0.64
South America (São Paulo)
54.232.250.215
Thank you for your attention to this matter. If you have any questions or need further assistance, please do not hesitate to contact our support team.
Best regards, Sinch Support Team
Posted Jun 03, 2024 - 13:58 UTC
This scheduled maintenance affected: Voice (Data Calling, Phone Calling (PSTN), Video Calling, SIP Trunk) and Verification (Flash Call Verification, SMS Verification, Verification Text to Speech).