CPE SIP Products
2.1.2.3SIP Headers
The device supports the following SIP Headers:
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| Table |
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| Header Field |
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| Supported |
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| Accept |
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| Yes |
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| Yes |
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| Yes |
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| Allow |
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| Yes |
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| Also |
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| Yes |
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| Yes |
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| Authorization |
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| Yes |
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| Yes |
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| Yes |
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| Contact |
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| Yes |
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| Yes |
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| Yes |
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| Yes |
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| Yes |
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| Cseq |
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| Yes |
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| Date |
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| Yes |
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| Diversion |
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| Yes |
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| Encryption |
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| No |
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| Expires |
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| Yes |
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| Fax |
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| Yes |
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| From |
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| Yes |
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| Yes |
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| Join |
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| Yes |
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| Yes |
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| Yes |
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| Yes |
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| Organization |
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| No |
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| Yes |
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| Yes |
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| Yes |
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| Yes |
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| Priority |
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| Yes |
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| SIP Release Notes | 120 | Document #: |
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