Data Retention
Data Retention
Section titled “Data Retention”This article outlines data retention periods by plan tier. Please read the SIPSTACK Privacy Policy for full details on how data is handled.
Storage retention refers to the maximum amount of time the following types of records are stored on SIPSTACK’s infrastructure within a given region:
- Call logs
- Call recordings
- Voicemails
- SMS / MMS messages
Retention Periods by Plan
Section titled “Retention Periods by Plan”| Plan | Data Retention |
|---|---|
| Nova Starter | 30 days |
| Nova Professional | 90 days |
| Nova Business | 180 days |
| Nova Enterprise | 1 year |
Stored data is automatically purged at the maximum interval for your plan. Some data can be removed on demand or set to a shorter retention period upon account holder request.
Enterprise Plan Storage
Section titled “Enterprise Plan Storage”Enterprise plan subscribers benefit from private, offsite, or on-premise dedicated hosting options. This allows data to be stored independently within a customer-specified location or geographic region. The maximum retention period cannot exceed the plan limit, but can be adjusted to a shorter period upon request.
Transactional Email Retention
Section titled “Transactional Email Retention”When SIPSTACK services send content via email — such as voicemail-to-email, fax-to-email, or SMS-to-email — the content is transmitted over a secure TLS connection to SIPSTACK’s transactional SMTP relay.
Emails are typically delivered immediately. If a destination mail server is temporarily unavailable, the email and its content are held on SIPSTACK’s transactional servers for a maximum of 7 days, with retry attempts every 5 minutes. After 7 days, undeliverable emails are purged. The delivery attempt log — which contains only dates, times, sender, recipient address, and delivery codes — is preserved. Message subjects, body content, and attachments are fully purged.
SIPSTACK operates regional transactional email relays in both Canada and the United States. Email originating from a host within a given region is relayed only through a server within the same borders.
For more information, contact privacy@sipstack.com.