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abhinav7895

Bolna MCP Server

by abhinav7895

bolna_create_sip_trunk

Bring your own trunk: configure gateways, authentication, and settings for inbound/outbound calling via your telephony provider.

Instructions

Create a new SIP trunk (BYOT) on Bolna for inbound/outbound calling via your own telephony provider

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameYesHuman-readable label for the trunk (must be unique per account)
allowNoAllowed codecsulaw,alaw
disallowNoDisallowed codecsall
gatewaysYesAt least one gateway is required
providerYesSIP provider, e.g. "twilio", "plivo", "zadarma", "telnyx", "vonage", "custom"
auth_typeYesAuthentication method for the trunk
transportNotransport-udp
descriptionNoOptional description for internal reference
auth_passwordNoSIP password (required when auth_type is 'userpass')
auth_usernameNoSIP username (required when auth_type is 'userpass')
ip_identifiersNoIP ranges for ip-based auth, e.g. [{ip_address: '15.207.90.192/31'}]
inbound_enabledNoEnable inbound calls on this trunk
outbound_leading_plus_enabledNoPrepend + to outbound dialed numbers
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations provided, so description carries full burden. Only mentions creation for inbound/outbound calling. Missing behavioral details like idempotency, reverse operation, required permissions, or side effects.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Single sentence, front-loaded with key info. No filler or redundant clauses.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given 13 parameters (4 required), no output schema, and no annotations, the description omits critical context like return value, prerequisites, and behavioral outcomes. Incomplete for a complex creation operation.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 92% (high), so baseline is 3. Description adds no extra parameter insight beyond what the schema already documents.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Clearly states the verb 'Create' and resource 'SIP trunk' with context 'BYOT' and 'inbound/outbound calling via your own telephony provider'. Distinguishes from sibling update/delete/list tools.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Implies usage when creating a SIP trunk for own provider, but lacks explicit when-to-use, when-not-to-use, or alternatives (e.g., buying a number vs bring-your-own trunk).

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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