You will need to make sure that your carrier allows traffic from these addresses. 

If you are using a third-party premises-based carrier or PBX device/service, then you need to make sure that connectivity to these addresses is allowed.

Note: Media traffic on BYOC Cloud telephony connections is carried over a dedicated CIDR Range. For more information, see Cloud media services CIDR IP address range.

us-east-1 (N. Virginia)

Domain DNS SRV and SIP FQDN Server DNS (If SRV not supported)
byoc.mypurecloud.com <customer prefix>.byoc.mypurecloud.com

lb01.byoc.us-east-1.mypurecloud.com

lb02.byoc.us-east-1.mypurecloud.com

lb03.byoc.us-east-1.mypurecloud.com

lb04.byoc.us-east-1.mypurecloud.com

 

us-east-2 (Ohio)

Domain DNS SRV and SIP FQDN Server DNS (If SRV not supported)
voice.use2.us-gov-pure.cloud  <customer prefix>.byoc.use2.us-gov-pure.cloud

lb01.voice.use2.us-gov-pure.cloud

lb02.voice.use2.us-gov-pure.cloud

lb03.voice.use2.us-gov-pure.cloud

lb04.voice.use2.us-gov-pure.cloud

 

us-west-2 (Oregon)

Domain DNS SRV and SIP FQDN Server DNS (If SRV not supported)
voice.usw2.pure.cloud <customer prefix>.byoc.usw2.pure.cloud

lb01.voice.usw2.pure.cloud

lb02.voice.usw2.pure.cloud

lb03.voice.usw2.pure.cloud

lb04.voice.usw2.pure.cloud

 

ca-central-1 (Canada Central)

Domain DNS SRV and SIP FQDN Server DNS (If SRV not supported)
byoc.cac1.pure.cloud <customer prefix>.byoc.cac1.pure.cloud

lb01.byoc.cac1.pure.cloud

lb02.byoc.cac1.pure.cloud

lb03.byoc.cac1.pure.cloud

lb04.byoc.cac1.pure.cloud

sa-east-1 (São Paulo)

Domain DNS SRV and SIP FQDN Server DNS (If SRV not supported)
byoc.sae1.pure.cloud <customer prefix>.byoc.sae1.pure.cloud

lb01.byoc.sae1.pure.cloud

lb02.byoc.sae1.pure.cloud

lb03.byoc.sae1.pure.cloud

lb04.byoc.sae1.pure.cloud

eu-west-1 (Ireland)

Domain DNS SRV and SIP FQDN Server DNS (If SRV not supported)
byoc.mypurecloud.ie <customer prefix>.byoc.mypurecloud.ie

lb01.byoc.eu-west-1.mypurecloud.ie

lb02.byoc.eu-west-1.mypurecloud.ie

lb03.byoc.eu-west-1.mypurecloud.ie

lb04.byoc.eu-west-1.mypurecloud.ie

eu-west-2 (London)

Domain DNS SRV and SIP FQDN Server DNS (If SRV not supported)
byoc.euw2.pure.cloud <customer prefix>.byoc.euw2.pure.cloud

lb01.byoc.euw2.pure.cloud

lb02.byoc.euw2.pure.cloud

lb03.byoc.euw2.pure.cloud

lb04.byoc.euw2.pure.cloud

eu-central-1 (Frankfurt)

Domain DNS SRV and SIP FQDN Server DNS (If SRV not supported)
byoc.mypurecloud.de <customer prefix>.byoc.mypurecloud.de

lb01.byoc.eu-central-1.mypurecloud.de

lb02.byoc.eu-central-1.mypurecloud.de

lb03.byoc.eu-central-1.mypurecloud.de

lb04.byoc.eu-central-1.mypurecloud.de

ap-northeast-1 (Tokyo)

Domain DNS SRV and SIP FQDN Server DNS (If SRV not supported)
byoc.mypurecloud.jp <customer prefix>.byoc.mypurecloud.jp

lb01.byoc.ap-northeast-1.mypurecloud.jp

lb02.byoc.ap-northeast-1.mypurecloud.jp

lb03.byoc.ap-northeast-1.mypurecloud.jp

lb04.byoc.ap-northeast-1.mypurecloud.jp

ap-northeast-2 (Seoul)

Domain DNS SRV and SIP FQDN Server DNS (If SRV not supported)
byoc.apne2.pure.cloud <customer prefix>.byoc.apne2.pure.cloud

lb01.byoc.apne2.pure.cloud

lb02.byoc.apne2.pure.cloud

lb03.byoc.apne2.pure.cloud

lb04.byoc.apne2.pure.cloud

ap-south-1 (Mumbai)

Domain DNS SRV and SIP FQDN Server DNS (If SRV not supported)
byoc.aps1.pure.cloud <customer prefix>.byoc.aps1.pure.cloud

lb01.byoc.aps1.pure.cloud

lb02.byoc.aps1.pure.cloud

lb03.byoc.aps1.pure.cloud

lb04.byoc.aps1.pure.cloud

ap-southeast-2 (Sydney)

Domain DNS SRV and SIP FQDN Server DNS (If SRV not supported)
byoc.mypurecloud.com.au <customer prefix>.byoc.mypurecloud.com.au

lb01.byoc.ap-southeast-2.mypurecloud.com.au

lb02.byoc.ap-southeast-2.mypurecloud.com.au

lb03.byoc.ap-southeast-2.mypurecloud.com.au

lb04.byoc.ap-southeast-2.mypurecloud.com.au