Generall:

Gateway IP: 89.31.7.243

NAT Traversal:  Disabled

IKE Exchange: Main Mode

Short hold time: 0

DPD: 60 seconds

IKE-CFG: Server

Phase 1:

For the key-exchange IKEv1 is used.

IKE Group:  Group 5 MODP1536  

IKE proposal list: PSK-AES256-SHA

Authentication: Pre Shared Key

Lifetime: 86400 (24hours)

Phase 2:

Proposal: AES256-SHA

Mode: Tunnel

PFS Group: Group 5 MODP1536

Encryption ESP: AES-CBC

Key: 256

Auth.(ESP): HMAC-SHA1

Auth. (AH): No AH

Compr.(IPCOMP): No IPCOMP

Lifetime: 3600 (1 hour)

Access Lists and Routes:

Please note that the access lists must be adapted to the network infrastructure and the VPN gateway on the customer side.

In addition, the UC Tenant Administrator must define a central route to the UC Tenant and select the VPN device as the gateway.