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The
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re-initiates the precondition procedure whenever the ingress side Session Description Protocol (SDP) changes due to an 18x/200 OK or UPDATE received from the egress side. The
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uses this UPDATE message before sending 200 OK to INVITE towards ingress instead of using the RE-INVITE message.
Use this parameter to use UPDATE instead of Re-INVITE on the ingress to communicate SDP, when the call goes to the confirmed state.
Command Syntax
% set addressContext default zone <zone_name> sipTrunkGroup <siptrunkgroup_name> signaling preferUPDATEOverReINVITE <enabled | disabled>
Command Parameters
preferUPDATEOverReINVITE Parameters
Parameter | Description |
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preferUPDATEOverReINVITE
| Enable this flag on the ingress trunk group to allow the Unable to show "metadata-from": No such page "_space_variables" to use UPDATE instead of Re-INVITE to communicate SDP towards ingress, when the call is in the confirmed state.The options include: Note: This is not applicable when the dialog transparency flag or the updatedAnswerIn200Ok flag is in enabled state on the Unable to show "metadata-from": No such page "_space_variables" . |
Command Example
% set addressContext default zone ZONE_INGRESS sipTrunkGroup TG_INGRESS signaling preferUPDATEOverReINVITE enabled