Sabre how to book flight segment(s) with infant passenger - soap

Question

When I try to book with infant without seat I get the error below, booking with infants with seat has no problem.
INF = infant without seat
INS = infant with seat
reference : https://richmedia.sabre.com/docs_support/quickreferences/gen/price54.pdf
Here's my payload:
<EnhancedAirBookRQ version="3.6.0" HaltOnError="true" xmlns="http://services.sabre.com/sp/eab/v3_6">
<OTA_AirBookRQ>
<HaltOnStatus Code="SS" ></HaltOnStatus>
<OriginDestinationInformation>
<FlightSegment DepartureDateTime="2016-07-20T04:00:00" FlightNumber="2835" NumberInParty="4" ResBookDesigCode="K" Status="NN" >
<DestinationLocation LocationCode="CEB" ></DestinationLocation>
<MarketingAirline Code="PR" FlightNumber="2835" ></MarketingAirline>
<OriginLocation LocationCode="MNL" ></OriginLocation>
</FlightSegment>
<FlightSegment DepartureDateTime="2016-07-25T04:50:00" FlightNumber="1836" NumberInParty="4" ResBookDesigCode="K" Status="NN" >
<DestinationLocation LocationCode="MNL" ></DestinationLocation>
<MarketingAirline Code="PR" FlightNumber="1836" ></MarketingAirline>
<OriginLocation LocationCode="CEB" ></OriginLocation>
</FlightSegment>
</OriginDestinationInformation>
</OTA_AirBookRQ>
<OTA_AirPriceRQ>
<PriceRequestInformation Retain="true" >
<OptionalQualifiers>
<PricingQualifiers>
<PassengerType Code="ADT" Quantity="2" ></PassengerType>
<PassengerType Code="CNN" Quantity="1" ></PassengerType>
<PassengerType Code="INF" Quantity="1" ></PassengerType>
</PricingQualifiers>
</OptionalQualifiers>
</PriceRequestInformation>
</OTA_AirPriceRQ>
<PostProcessing IgnoreAfter="false" ></PostProcessing>
<PreProcessing IgnoreBefore="false" ></PreProcessing>
and here's the response:
<soap-env:Envelope xmlns:soap-env='http://schemas.xmlsoap.org/soap/envelope/'>
<soap-env:Header>
<eb:MessageHeader xmlns:eb='http://www.ebxml.org/namespaces/messageHeader' eb:version='1.0' soap-env:mustUnderstand='1'>
<eb:From>
<eb:PartyId eb:type='URI'>webservices.sabre.com</eb:PartyId>
</eb:From>
<eb:To>
<eb:PartyId eb:type='URI'>xxxxxxxx</eb:PartyId>
</eb:To>
<eb:CPAId>xxx</eb:CPAId>
<eb:ConversationId>CONV-EnhancedAirBookRQ#xxxxxx</eb:ConversationId>
<eb:Service>EnhancedAirBookRQ</eb:Service>
<eb:Action>EnhancedAirBookRS</eb:Action>
<eb:MessageData>
<eb:MessageId>1330890246910330610</eb:MessageId>
<eb:Timestamp>2016-07-19T06:51:31</eb:Timestamp>
<eb:RefToMessageId>MSG-EnhancedAirBookRQ#xxxxx</eb:RefToMessageId>
</eb:MessageData>
</eb:MessageHeader>
<wsse:Security xmlns:wsse='http://schemas.xmlsoap.org/ws/2002/12/secext'>
<wsse:BinarySecurityToken valueType='String' EncodingType='wsse:Base64Binary'>xxxxxxx</wsse:BinarySecurityToken>
</wsse:Security>
</soap-env:Header>
<soap-env:Body>
<EnhancedAirBookRS xmlns='http://services.sabre.com/sp/eab/v3_6'>
<ApplicationResults xmlns='http://services.sabre.com/STL_Payload/v02_01' status='NotProcessed'>
<Error type='BusinessLogic' timeStamp='2016-07-19T01:51:31.881-05:00'>
<SystemSpecificResults>
<Message code='ERR.SWS.HOST.ERROR_IN_RESPONSE'>FORMAT-NEED MORE PSGR TYPES OR NAME SELECT-0115</Message>
<Message code='0'>FORMAT-NEED MORE PSGR TYPES OR NAME SELECT-0115</Message>
</SystemSpecificResults>
</Error>
</ApplicationResults>
<OTA_AirBookRS>
<OriginDestinationOption>
<FlightSegment ArrivalDateTime='07-20T05:10' DepartureDateTime='07-20T04:00' FlightNumber='2835' NumberInParty='004' ResBookDesigCode='K' Status='NN' eTicket='true'>
<DestinationLocation LocationCode='CEB'/>
<MarketingAirline Code='PR' FlightNumber='2835'/>
<OriginLocation LocationCode='MNL'/>
</FlightSegment>
<FlightSegment ArrivalDateTime='07-25T06:00' DepartureDateTime='07-25T04:50' FlightNumber='1836' NumberInParty='004' ResBookDesigCode='K' Status='NN' eTicket='true'>
<DestinationLocation LocationCode='MNL'/>
<MarketingAirline Code='PR' FlightNumber='1836'/>
<OriginLocation LocationCode='CEB'/>
</FlightSegment>
</OriginDestinationOption>
</OTA_AirBookRS>
</EnhancedAirBookRS>
</soap-env:Body>

Answer 1

Problem Solved!
To book infants without seat you must use PassengerType Code 'INF' and not count them in NumberInParty
credits to #fcarreno.
To book infants with seat you must use
PassengerType Code 'INS' and count them in NumberInParty.
Solution Infant without seat payload :
<EnhancedAirBookRQ version="3.6.0" HaltOnError="true" xmlns="http://services.sabre.com/sp/eab/v3_6">
<OTA_AirBookRQ>
<HaltOnStatus Code="SS" ></HaltOnStatus>
<OriginDestinationInformation>
<FlightSegment DepartureDateTime="2016-07-22T21:55:00" FlightNumber="686" NumberInParty="3" ResBookDesigCode="S" Status="NN" >
<DestinationLocation LocationCode="BWN" ></DestinationLocation>
<MarketingAirline Code="BI" FlightNumber="686" ></MarketingAirline>
<OriginLocation LocationCode="MNL" ></OriginLocation>
</FlightSegment>
<FlightSegment DepartureDateTime="2016-07-23T10:55:00" FlightNumber="513" NumberInParty="3" ResBookDesigCode="S" Status="NN" >
<DestinationLocation LocationCode="BKK" ></DestinationLocation>
<MarketingAirline Code="BI" FlightNumber="513" ></MarketingAirline>
<OriginLocation LocationCode="BWN" ></OriginLocation>
</FlightSegment>
<FlightSegment DepartureDateTime="2016-07-25T13:30:00" FlightNumber="514" NumberInParty="3" ResBookDesigCode="S" Status="NN" >
<DestinationLocation LocationCode="BWN" ></DestinationLocation>
<MarketingAirline Code="BI" FlightNumber="514" ></MarketingAirline>
<OriginLocation LocationCode="BKK" ></OriginLocation>
</FlightSegment>
<FlightSegment DepartureDateTime="2016-07-25T19:00:00" FlightNumber="685" NumberInParty="3" ResBookDesigCode="S" Status="NN" >
<DestinationLocation LocationCode="MNL" ></DestinationLocation>
<MarketingAirline Code="BI" FlightNumber="685" ></MarketingAirline>
<OriginLocation LocationCode="BWN" ></OriginLocation>
</FlightSegment>
</OriginDestinationInformation>
</OTA_AirBookRQ>
<OTA_AirPriceRQ>
<PriceRequestInformation Retain="true" >
<OptionalQualifiers>
<PricingQualifiers>
<PassengerType Code="ADT" Quantity="2" ></PassengerType>
<PassengerType Code="CNN" Quantity="1" ></PassengerType>
<PassengerType Code="INF" Quantity="1" ></PassengerType>
</PricingQualifiers>
</OptionalQualifiers>
</PriceRequestInformation>
</OTA_AirPriceRQ>
<PostProcessing IgnoreAfter="false"/>
<PreProcessing IgnoreBefore="false"/>
</EnhancedAirBookRQ>
Infant with seat payload :
<EnhancedAirBookRQ version="3.6.0" HaltOnError="true" xmlns="http://services.sabre.com/sp/eab/v3_6">
<OTA_AirBookRQ>
<HaltOnStatus Code="SS" ></HaltOnStatus>
<OriginDestinationInformation>
<FlightSegment DepartureDateTime="2016-07-22T21:55:00" FlightNumber="686" NumberInParty="4" ResBookDesigCode="S" Status="NN" >
<DestinationLocation LocationCode="BWN" ></DestinationLocation>
<MarketingAirline Code="BI" FlightNumber="686" ></MarketingAirline>
<OriginLocation LocationCode="MNL" ></OriginLocation>
</FlightSegment>
<FlightSegment DepartureDateTime="2016-07-23T10:55:00" FlightNumber="513" NumberInParty="3" ResBookDesigCode="S" Status="NN" >
<DestinationLocation LocationCode="BKK" ></DestinationLocation>
<MarketingAirline Code="BI" FlightNumber="513" ></MarketingAirline>
<OriginLocation LocationCode="BWN" ></OriginLocation>
</FlightSegment>
<FlightSegment DepartureDateTime="2016-07-25T13:30:00" FlightNumber="514" NumberInParty="3" ResBookDesigCode="S" Status="NN" >
<DestinationLocation LocationCode="BWN" ></DestinationLocation>
<MarketingAirline Code="BI" FlightNumber="514" ></MarketingAirline>
<OriginLocation LocationCode="BKK" ></OriginLocation>
</FlightSegment>
<FlightSegment DepartureDateTime="2016-07-25T19:00:00" FlightNumber="685" NumberInParty="3" ResBookDesigCode="S" Status="NN" >
<DestinationLocation LocationCode="MNL" ></DestinationLocation>
<MarketingAirline Code="BI" FlightNumber="685" ></MarketingAirline>
<OriginLocation LocationCode="BWN" ></OriginLocation>
</FlightSegment>
</OriginDestinationInformation>
</OTA_AirBookRQ>
<OTA_AirPriceRQ>
<PriceRequestInformation Retain="true" >
<OptionalQualifiers>
<PricingQualifiers>
<PassengerType Code="ADT" Quantity="2" ></PassengerType>
<PassengerType Code="CNN" Quantity="1" ></PassengerType>
<PassengerType Code="INS" Quantity="1" ></PassengerType>
</PricingQualifiers>
</OptionalQualifiers>
</PriceRequestInformation>
</OTA_AirPriceRQ>
<PostProcessing IgnoreAfter="false" ></PostProcessing>
<PreProcessing IgnoreBefore="false" ></PreProcessing>
</EnhancedAirBookRQ>